diff --git a/computer/computers.lua b/computer/computers.lua
index cf7c6ac..47ce2e1 100644
--- a/computer/computers.lua
+++ b/computer/computers.lua
@@ -29,6 +29,7 @@ minetest.register_node("computer:vanio", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:vanio_off"
 		minetest.set_node(pos, node)
+		return itemstack
 	end
 })
 
@@ -48,6 +49,7 @@ minetest.register_node("computer:vanio_off", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:vanio"
 		minetest.set_node(pos, node)
+		return itemstack
 	end
 })
 
@@ -168,6 +170,7 @@ minetest.register_node("computer:monitor", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:monitor_on"
 		minetest.set_node(pos, node)
+		return itemstack
 	end
 })
 
@@ -186,6 +189,7 @@ minetest.register_node("computer:monitor_on", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:monitor"
 		minetest.set_node(pos, node)
+		return itemstack
 	end
 })
 
@@ -294,12 +298,13 @@ minetest.register_node("computer:server", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:server_on"
 		minetest.set_node(pos, node)
+		return itemstack
 	end,
 	on_place = function(itemstack, placer, pointed_thing)
 		local pos = pointed_thing.above
 		if minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name ~= "air" then
 			minetest.chat_send_player( placer:get_player_name(), "Not enough vertical space to place a server!" )
-			return
+			return itemstack
 		end
 		return minetest.item_place(itemstack, placer, pointed_thing)
 	end
@@ -333,5 +338,6 @@ minetest.register_node("computer:server_on", {
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computer:server"
 		minetest.set_node(pos, node)
+		return itemstack
 	end
 })
diff --git a/computer/init.lua b/computer/init.lua
index 975f04f..bb690ed 100644
--- a/computer/init.lua
+++ b/computer/init.lua
@@ -27,11 +27,12 @@ computer.register = function (name, def)
 		node_box = def.node_box,
 		selection_box = def.node_box,
 		on_rightclick = function (pos, node, clicker, itemstack)
-			if (def.on_turn_off) then
-				if (def.on_turn_off(pos, node, clicker, itemstack)) then return end
+			if def.on_turn_off and def.on_turn_off(pos, node, clicker, itemstack) then
+				return itemstack
 			end
 			node.name = OFFSTATE
 			minetest.set_node(pos, node)
+			return itemstack
 		end
 	})
 	minetest.register_node(OFFSTATE, {
@@ -50,11 +51,12 @@ computer.register = function (name, def)
 		node_box = def.node_box_off or def.node_box,
 		selection_box = def.node_box_off or def.node_box,
 		on_rightclick = function (pos, node, clicker, itemstack)
-			if (def.on_turn_on) then
-				if (def.on_turn_on(pos, node, clicker, itemstack)) then return end
+			if def.on_turn_on and def.on_turn_on(pos, node, clicker, itemstack) then
+				return itemstack
 			end
 			node.name = ONSTATE
 			minetest.set_node(pos, node)
+			return itemstack
 		end,
 		drop = ONSTATE
 	})
diff --git a/computer/tetris.lua b/computer/tetris.lua
index 5a9ffed..5f0b71c 100644
--- a/computer/tetris.lua
+++ b/computer/tetris.lua
@@ -276,7 +276,8 @@ minetest.register_node("computer:tetris_arcade", {
 		end
 		if minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name ~= "air" then
 			minetest.chat_send_player(placer:get_player_name(), "No room for place the Arcade!")
-		return end
+			return itemstack
+		end
 		local dir = placer:get_look_dir()
 		local node = {name="computer:tetris_arcade", param1=0, param2 = minetest.dir_to_facedir(dir)}
 		minetest.set_node(pos, node)
diff --git a/fake_fire/init.lua b/fake_fire/init.lua
index 08760de..92d04f9 100644
--- a/fake_fire/init.lua
+++ b/fake_fire/init.lua
@@ -84,8 +84,9 @@ for _, f in ipairs(flame_types) do
 			{name=f.."_fire_animated.png", animation={type="vertical_frames", 
 			aspect_w=16, aspect_h=16, length=1.5}},
 		},
-		on_rightclick = function (pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			start_smoke(pos, node, clicker)
+			return itemstack
 		end,
 		on_destruct = function (pos)
 			stop_smoke(pos)
@@ -113,8 +114,9 @@ minetest.register_node("fake_fire:fancy_fire", {
 		tiles = {
 		{name="fake_fire_animated.png", 
 		animation={type='vertical_frames', aspect_w=16, aspect_h=16, length=1}}, {name='fake_fire_logs.png'}},
-		on_rightclick = function (pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			start_smoke(pos, node, clicker)
+			return itemstack
 		end,
 		on_destruct = function (pos)
 			stop_smoke(pos)
@@ -161,9 +163,10 @@ for _, m in ipairs(materials) do
 			type = "fixed",
 			fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
 		},
-		on_rightclick = function (pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local chimney = 1
 			start_smoke(pos, node, clicker, chimney)
+			return itemstack
 		end,
 		on_destruct = function (pos)
 			stop_smoke(pos)
diff --git a/homedecor/bathroom_sanitation.lua b/homedecor/bathroom_sanitation.lua
index b83e69a..d5d396a 100644
--- a/homedecor/bathroom_sanitation.lua
+++ b/homedecor/bathroom_sanitation.lua
@@ -114,7 +114,7 @@ homedecor.register("sink", {
 
 --Taps
 
-local function taps_on_rightclick(pos, node, clicker)
+local function taps_on_rightclick(pos, node, clicker, itemstack, pointed_thing)
 	local below = minetest.get_node_or_nil({x=pos.x, y=pos.y-1, z=pos.z})
 	if below and
 	  below.name == "homedecor:shower_tray" or
@@ -129,6 +129,7 @@ local function taps_on_rightclick(pos, node, clicker)
 		}
 		homedecor.start_particle_spawner(pos, node, particledef, "homedecor_faucet")
 	end
+	return itemstack
 end
 
 homedecor.register("taps", {
@@ -225,7 +226,7 @@ homedecor.register("shower_head", {
 	selection_box = sh_cbox,
 	walkable = false,
 	on_rotate = screwdriver.disallow,
-	on_rightclick = function (pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local below = minetest.get_node_or_nil({x=pos.x, y=pos.y-2.0, z=pos.z})
 		if below and below.name == "homedecor:shower_tray" then
 			local particledef = {
@@ -237,6 +238,7 @@ homedecor.register("shower_head", {
 			}
 			homedecor.start_particle_spawner(pos, node, particledef, "homedecor_shower")
 		end
+		return itemstack
 	end,
 	on_destruct = function(pos)
 		homedecor.stop_particle_spawner(pos)
diff --git a/homedecor/bedroom.lua b/homedecor/bedroom.lua
index 683e53a..51c4dd5 100644
--- a/homedecor/bedroom.lua
+++ b/homedecor/bedroom.lua
@@ -79,10 +79,11 @@ for i in ipairs(bedcolors) do
 		after_dig_node = function(pos)
 			homedecor.unextend_bed(pos, color)
 		end,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if minetest.get_modpath("beds") then
 				beds.on_rightclick(pos, clicker)
-			else return end
+			end
+			return itemstack
 		end
 	})
 
@@ -104,10 +105,11 @@ for i in ipairs(bedcolors) do
 		after_dig_node = function(pos)
 			homedecor.unextend_bed(pos, color)
 		end,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if minetest.get_modpath("beds") then
 				beds.on_rightclick(pos, clicker)
-			else return end
+			end
+			return itemstack
 		end,
 		drop = "homedecor:bed_"..color.."_regular"
 	})
@@ -137,10 +139,11 @@ for i in ipairs(bedcolors) do
 				inv:add_item("main", "homedecor:bed_"..color.."_regular 2")
 			end
 		end,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if minetest.get_modpath("beds") then
 				beds.on_rightclick(pos, clicker)
-			else return end
+			end
+			return itemstack
 		end
 	})
 
diff --git a/homedecor/books.lua b/homedecor/books.lua
index 4783cb3..67da99e 100644
--- a/homedecor/books.lua
+++ b/homedecor/books.lua
@@ -112,7 +112,7 @@ for c in ipairs(bookcolors) do
 		drop = "homedecor:book_"..color,
 		walkable = false,
 		on_dig = book_dig,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local meta = minetest.get_meta(pos)
 			local player_name = clicker:get_player_name()
 			local title = meta:get_string("title") or ""
@@ -136,6 +136,7 @@ for c in ipairs(bookcolors) do
 			end
 			player_current_book[player_name] = pos
 			minetest.show_formspec(player_name, BOOK_FORMNAME, formspec)
+			return itemstack
 		end,
 		on_punch = function(pos, node, puncher, pointed_thing)
 			local fdir = node.param2
diff --git a/homedecor/doors_and_gates.lua b/homedecor/doors_and_gates.lua
index 82cdec3..3787e2b 100644
--- a/homedecor/doors_and_gates.lua
+++ b/homedecor/doors_and_gates.lua
@@ -252,8 +252,9 @@ for i in ipairs(sides) do
 			on_construct = function(pos)
 				minetest.get_meta(pos):set_int("closed", 1)
 			end,
-			on_rightclick = function(pos, node, clicker)
+			on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 				homedecor.flip_door(pos, node, clicker, doorname, side)
+				return itemstack
 			end,
 		    -- both left and right doors may be used for open or closed doors
 		    -- so they have to have both action_on and action_off and just
@@ -385,8 +386,9 @@ for i in ipairs(gates_list) do
 			type = "fixed",
 			fixed = gate_models_closed[i]
 		},
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			homedecor.flip_gate(pos, node, clicker, gate, "closed")
+			return itemstack
 		end,
         mesecons = {
             effector = {
@@ -413,8 +415,9 @@ for i in ipairs(gates_list) do
 		tiles[3]
 	}
     def.drop = "homedecor:gate_"..gate.."_closed"
-	def.on_rightclick = function(pos, node, clicker)
+	def.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
         homedecor.flip_gate(pos, node, clicker, gate, "open")
+        return itemstack
 	end
     def.mesecons.effector = {
         action_off = function(pos,node) homedecor.flip_gate(pos,node,player,gate, "open") end
@@ -605,8 +608,9 @@ homedecor.register("door_japanese_closed", {
 		fixed = {-0.5, -0.5, -0.0625, 0.5, 1.5, 0},
 	},
 	expand = { top = "placeholder" },
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		minetest.set_node(pos, {name = "homedecor:door_japanese_open", param2 = node.param2})
+		return itemstack
 	end
 })
 
@@ -628,8 +632,9 @@ homedecor.register("door_japanese_open", {
 		fixed = {-1.5, -0.5, -0.0625, -0.5, 1.5, 0},
 	},
 	expand = { top = "placeholder" },
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		minetest.set_node(pos, {name = "homedecor:door_japanese_closed", param2 = node.param2})
+		return itemstack
 	end,
 	drop = "homedecor:door_japanese_closed",
 })
diff --git a/homedecor/furniture.lua b/homedecor/furniture.lua
index 338a95c..fd79351 100644
--- a/homedecor/furniture.lua
+++ b/homedecor/furniture.lua
@@ -84,9 +84,10 @@ for i in ipairs(chaircolors) do
 		collision_box = kc_cbox,
 		groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
 		sounds = default.node_sound_wood_defaults(),
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			pos.y = pos.y+0 -- where do I put my ass ?
 			homedecor.sit(pos, node, clicker)
+			return itemstack
 		end
 	})
 
diff --git a/homedecor/kitchen_appliances.lua b/homedecor/kitchen_appliances.lua
index ae59a40..af3009b 100644
--- a/homedecor/kitchen_appliances.lua
+++ b/homedecor/kitchen_appliances.lua
@@ -169,7 +169,7 @@ homedecor.register("toaster", {
 			{-0.0625, -0.5, -0.125, 0.125, -0.3125, 0.125}, -- NodeBox1
 		},
 	},
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local fdir = node.param2
 		minetest.set_node(pos, { name = "homedecor:toaster_loaf", param2 = fdir })
 		minetest.sound_play("toaster", {
@@ -177,6 +177,7 @@ homedecor.register("toaster", {
 			gain = 1.0,
 			max_hear_distance = 5
 		})
+		return itemstack
 	end
 })
 
@@ -199,9 +200,10 @@ homedecor.register("toaster_loaf", {
 			{0.0625, -0.3125, -0.0935, 0.0935, -0.25, 0.0935}, -- NodeBox3
 		},
 	},
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local fdir = node.param2
 		minetest.set_node(pos, { name = "homedecor:toaster", param2 = fdir })
+		return itemstack
 	end,
 	drop = "homedecor:toaster"
 })
diff --git a/homedecor/kitchen_furniture.lua b/homedecor/kitchen_furniture.lua
index e64f423..cf240f8 100644
--- a/homedecor/kitchen_furniture.lua
+++ b/homedecor/kitchen_furniture.lua
@@ -117,7 +117,7 @@ homedecor.register("kitchen_faucet", {
 	selection_box = kf_cbox,
 	walkable = false,
 	on_rotate = screwdriver.disallow,
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local below = minetest.get_node_or_nil({x=pos.x, y=pos.y-1, z=pos.z})
 		if below and
 		  below.name == "homedecor:sink" or
@@ -131,6 +131,7 @@ homedecor.register("kitchen_faucet", {
 			}
 			homedecor.start_particle_spawner(pos, node, particledef, "homedecor_faucet")
 		end
+		return itemstack
 	end,
 	on_destruct = homedecor.stop_particle_spawner
 })
diff --git a/homedecor/misc-nodes.lua b/homedecor/misc-nodes.lua
index 67b341b..198d9e4 100644
--- a/homedecor/misc-nodes.lua
+++ b/homedecor/misc-nodes.lua
@@ -179,8 +179,9 @@ homedecor.register("fishtank", {
 	collision_box = ft_cbox,
 	groups = {cracky=3,oddly_breakable_by_hand=3},
 	sounds = default.node_sound_glass_defaults(),
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		minetest.set_node(pos, {name = "homedecor:fishtank_lighted", param2 = node.param2})
+		return itemstack
 	end
 })
 
@@ -201,8 +202,9 @@ homedecor.register("fishtank_lighted", {
 	collision_box = ft_cbox,
 	groups = {cracky=3,oddly_breakable_by_hand=3,not_in_creative_inventory=1},
 	sounds = default.node_sound_glass_defaults(),
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		minetest.set_node(pos, {name = "homedecor:fishtank", param2 = node.param2})
+		return itemstack
 	end,
 	drop = "homedecor:fishtank",
 })
diff --git a/homedecor/office.lua b/homedecor/office.lua
index 1da21dc..24fe30e 100644
--- a/homedecor/office.lua
+++ b/homedecor/office.lua
@@ -81,10 +81,11 @@ homedecor.register("calendar", {
 	legacy_wallmounted = true,
 	sounds = default.node_sound_defaults(),
 	infotext = "Date (right-click to update):\n" .. os.date("%Y-%m-%d"), -- ISO 8601 format
-	on_rightclick = function(pos, node, clicker)
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 		local meta = minetest.get_meta(pos)
 		local date = os.date("%Y-%m-%d")
 		meta:set_string("infotext", "Date (right-click to update):\n"..date)
+		return itemstack
 	end
 })
 
diff --git a/homedecor/window_treatments.lua b/homedecor/window_treatments.lua
index 2d9b125..1b7f915 100644
--- a/homedecor/window_treatments.lua
+++ b/homedecor/window_treatments.lua
@@ -125,12 +125,13 @@ for c in ipairs(curtaincolors) do
 		paramtype2 = 'wallmounted',
 		selection_box = { type = "wallmounted" },
 	-- Open the curtains
-		on_rightclick = function(pos, node, clicker, itemstack)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local topnode = minetest.get_node({x=pos.x, y=pos.y+1.0, z=pos.z})
 			if string.find(topnode.name, "homedecor:curtainrod") then
 				local fdir = node.param2
 				minetest.set_node(pos, { name = "homedecor:curtain_open_"..color, param2 = fdir })
 			end
+			return itemstack
 		end
 	})
 
@@ -147,12 +148,13 @@ for c in ipairs(curtaincolors) do
 		paramtype2 = 'wallmounted',
 		selection_box = { type = "wallmounted" },
 	-- Close the curtains
-		on_rightclick = function(pos, node, clicker, itemstack)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			local topnode = minetest.get_node({x=pos.x, y=pos.y+1.0, z=pos.z})
 			if string.find(topnode.name, "homedecor:curtainrod") then
 				local fdir = node.param2
 				minetest.set_node(pos, { name = "homedecor:curtain_"..color, param2 = fdir })
 			end
+			return itemstack
 		end
 	})
 
diff --git a/inbox/init.lua b/inbox/init.lua
index 7e5867a..28239f4 100644
--- a/inbox/init.lua
+++ b/inbox/init.lua
@@ -57,6 +57,7 @@ minetest.register_node("inbox:empty", {
 				"default:chest_locked",
 				inbox.get_inbox_insert_formspec(pos))
 		end
+		return itemstack
 	end,
 	can_dig = function(pos,player)
 		local meta = minetest.get_meta(pos);
diff --git a/lavalamp/init.lua b/lavalamp/init.lua
index 8e0c3d5..93571c6 100644
--- a/lavalamp/init.lua
+++ b/lavalamp/init.lua
@@ -39,9 +39,10 @@ for i in ipairs(lavalamps_list) do
 	    },
 		groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3},
 		sounds = default.node_sound_glass_defaults(),
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 	        node.name = "lavalamp:"..colour.."_off"
 	        minetest.set_node(pos, node)
+			return itemstack
 	    end,
 	})
 
@@ -64,9 +65,10 @@ for i in ipairs(lavalamps_list) do
 		groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3, not_in_creative_inventory=1},
 		sounds = default.node_sound_glass_defaults(),
 		drop = "lavalamp:"..colour,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 	        node.name = "lavalamp:"..colour
 	        minetest.set_node(pos, node)
+			return itemstack
 	    end,
 	})
 
diff --git a/lrfurn/armchairs.lua b/lrfurn/armchairs.lua
index 39999dd..f3b8225 100644
--- a/lrfurn/armchairs.lua
+++ b/lrfurn/armchairs.lua
@@ -24,13 +24,14 @@ for i in ipairs(lrfurn.colors) do
 		groups = {snappy=3},
 		sounds = default.node_sound_wood_defaults(),
 		node_box = armchair_cbox,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if not clicker:is_player() then
-				return
+				return itemstack
 			end
 			pos.y = pos.y-0.5
 			clicker:setpos(pos)
 			clicker:set_hp(20)
+			return itemstack
 		end
 	})
 
diff --git a/lrfurn/longsofas.lua b/lrfurn/longsofas.lua
index 3bcd8ec..a1721a9 100644
--- a/lrfurn/longsofas.lua
+++ b/lrfurn/longsofas.lua
@@ -46,13 +46,14 @@ for i in ipairs(lrfurn.colors) do
 			end
 			return itemstack
 		end,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if not clicker:is_player() then
-				return
+				return itemstack
 			end
 			pos.y = pos.y-0.5
 			clicker:setpos(pos)
 			clicker:set_hp(20)
+			return itemstack
 		end
 	})
 
diff --git a/lrfurn/sofas.lua b/lrfurn/sofas.lua
index 1f7c217..bc071c2 100644
--- a/lrfurn/sofas.lua
+++ b/lrfurn/sofas.lua
@@ -48,13 +48,14 @@ for i in ipairs(lrfurn.colors) do
 			end
 			return itemstack
 		end,
-		on_rightclick = function(pos, node, clicker)
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 			if not clicker:is_player() then
-				return
+				return itemstack
 			end
 			pos.y = pos.y-0.5
 			clicker:setpos(pos)
 			clicker:set_hp(20)
+			return itemstack
 		end
 	})