diff --git a/computers/computers.lua b/computers/computers.lua
index 05f0547..73327f7 100644
--- a/computers/computers.lua
+++ b/computers/computers.lua
@@ -24,6 +24,7 @@ minetest.register_node("computers:vanio", {
 	use_texture_alpha = "clip",
 	light_source = 4,
 	groups = {snappy=3},
+	is_ground_content = false,
 	walkable = false,
 	selection_box = {
 		type = "fixed",
@@ -44,6 +45,7 @@ minetest.register_node("computers:vanio_off", {
 	paramtype2 = "facedir",
 	use_texture_alpha = "clip",
 	groups = {snappy=3, not_in_creative_inventory=1},
+	is_ground_content = false,
 	walkable = false,
 	selection_box = {
 		type = "fixed",
@@ -81,6 +83,7 @@ minetest.register_node("computers:piepad", {
 	light_source = 8,
 	walkable = false,
 	groups = {oddly_breakable_by_hand=2},
+	is_ground_content = false,
 	selection_box = {type = "wallmounted"},
 	sounds = default and default.node_sound_wood_defaults() or nil
 })
@@ -125,6 +128,7 @@ minetest.register_node("computers:monitor", {
 	paramtype2 = "facedir",
 	walkable = false,
 	groups = {snappy=3},
+	is_ground_content = false,
 	selection_box = mo_sbox,
 	on_rightclick = function(pos, node, clicker, itemstack)
 		node.name = "computers:monitor_on"
@@ -147,6 +151,7 @@ minetest.register_node("computers:monitor_on", {
 	light_source = 9,
 	walkable = false,
 	groups = {snappy=3, not_in_creative_inventory=1},
+	is_ground_content = false,
 	selection_box = mo_sbox,
 	drop = "computers:monitor",
 	on_rightclick = function(pos, node, clicker, itemstack)
@@ -176,6 +181,7 @@ minetest.register_node("computers:router", {
 	use_texture_alpha = "clip",
 	walkable = false,
 	groups = {snappy=3},
+	is_ground_content = false,
 	sound = default and default.node_sound_wood_defaults() or nil,
 	drawtype = "nodebox",
 	node_box = {
@@ -204,6 +210,7 @@ minetest.register_node("computers:tower", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {snappy=3},
+	is_ground_content = false,
 	sound = default and default.node_sound_wood_defaults() or nil,
 	selection_box = pct_cbox,
 	collision_box = pct_cbox
@@ -226,6 +233,7 @@ minetest.register_node("computers:server", {
 	paramtype2 = "facedir",
 	use_texture_alpha = "clip",
 	groups = {snappy=3},
+	is_ground_content = false,
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.25, 0.5, 1.125, 0.4375}
@@ -266,6 +274,7 @@ minetest.register_node("computers:server_on", {
 	paramtype2 = "facedir",
 	use_texture_alpha = "clip",
 	groups = {snappy=3,not_in_creative_inventory=1},
+	is_ground_content = false,
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.25, 0.5, 1.125, 0.4375}
@@ -295,6 +304,7 @@ minetest.register_node("computers:printer", {
 	use_texture_alpha = "clip",
 	walkable = true,
 	groups = {snappy=3},
+	is_ground_content = false,
 	sound = default and default.node_sound_wood_defaults() or nil,
 	drawtype = "nodebox",
 	node_box = {
diff --git a/computers/gaming.lua b/computers/gaming.lua
index 9fc1675..931df3c 100644
--- a/computers/gaming.lua
+++ b/computers/gaming.lua
@@ -313,6 +313,7 @@ minetest.register_node("computers:tetris_arcade", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {snappy=3},
+	is_ground_content = false,
 	on_rotate = minetest.get_modpath("screwdriver") and screwdriver.rotate_simple or nil,
 	selection_box = {
 		type = "fixed",
diff --git a/computers/init.lua b/computers/init.lua
index c09b178..7bf2da8 100644
--- a/computers/init.lua
+++ b/computers/init.lua
@@ -15,6 +15,7 @@ computers.register = function (name, def)
 		description = cdef.description,
 		inventory_image = cdef.inventory_image,
 		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
+		is_ground_content = false,
 		tiles = {
 			TEXPFX.."tp.png",
 			TEXPFX.."bt.png",
@@ -40,6 +41,7 @@ computers.register = function (name, def)
 		paramtype2 = "facedir",
 		use_texture_alpha = "clip",
 		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
+		is_ground_content = false,
 		tiles = {
 			(TEXPFX.."tp"..(cdef.tiles_off.top    and "_off" or "")..".png"),
 			(TEXPFX.."bt"..(cdef.tiles_off.bottom and "_off" or "")..".png"),
@@ -100,4 +102,4 @@ dofile(MODPATH.."/aliases.lua")
 
 if minetest.get_modpath("default") and minetest.get_modpath("basic_materials") then
 	dofile(MODPATH.."/recipes.lua")
-end
\ No newline at end of file
+end
diff --git a/home_vending_machines/api.lua b/home_vending_machines/api.lua
index 244b73f..3addcc7 100644
--- a/home_vending_machines/api.lua
+++ b/home_vending_machines/api.lua
@@ -13,6 +13,7 @@ local function reg_simple(name, def)
         paramtype = "light",
         paramtype2 = "facedir",
         groups = def.groups or {snappy=3},
+        is_ground_content = false,
         selection_box = {
             type = "fixed",
             fixed = {-0.5, -0.5, -0.5, 0.5, 1.5, 0.5}
@@ -57,4 +58,4 @@ function home_vending_machines.register_machine(type, name, def)
         reg_simple(name, def)
     end
     --TODO: add more complex machine type with formspec and selections
-end
\ No newline at end of file
+end
diff --git a/home_workshop_machines/init.lua b/home_workshop_machines/init.lua
index 551031d..76ac45f 100644
--- a/home_workshop_machines/init.lua
+++ b/home_workshop_machines/init.lua
@@ -17,6 +17,7 @@ minetest.register_node("home_workshop_machines:3dprinter_bedflinger", {
 	paramtype = "light",
 	walkable = true,
 	groups = {snappy=3, ud_param2_colorable = 1},
+	is_ground_content = false,
 	sound = default and default.node_sound_wood_defaults() or nil,
 	drawtype = "mesh",
 	mesh = "home_workshop_machines_3dprinter_bedflinger.obj",
@@ -47,6 +48,7 @@ minetest.register_node("home_workshop_machines:3dprinter_corexy", {
 	paramtype = "light",
 	walkable = true,
 	groups = {snappy=3, ud_param2_colorable = 1},
+	is_ground_content = false,
 	sound = default and default.node_sound_wood_defaults() or nil,
 	drawtype = "mesh",
 	mesh = "home_workshop_machines_3dprinter_corexy.obj",
diff --git a/home_workshop_misc/init.lua b/home_workshop_misc/init.lua
index 7aab0c8..1b472a1 100644
--- a/home_workshop_misc/init.lua
+++ b/home_workshop_misc/init.lua
@@ -19,6 +19,7 @@ minetest.register_node("home_workshop_misc:tool_cabinet", {
 	inventory_image = "home_workshop_misc_tool_cabinet_inv.png",
 	on_rotate = minetest.get_modpath("screwdriver") and screwdriver.rotate_simple or nil,
 	groups = { snappy=3 },
+	is_ground_content = false,
 	expand = { top="placeholder" },
 	inventory = {
 		size=24,
@@ -37,6 +38,7 @@ minetest.register_node("home_workshop_misc:beer_tap", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = { snappy=3 },
+	is_ground_content = false,
 	walkable = false,
 	selection_box = {
 		type = "fixed",
@@ -76,6 +78,7 @@ minetest.register_node("home_workshop_misc:beer_mug", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = { snappy=3, oddly_breakable_by_hand=3 },
+	is_ground_content = false,
 	walkable = false,
 	sounds = default and default.node_sound_glass_defaults() or nil,
 	selection_box = beer_cbox,