diff --git a/extranodes/depends.txt b/extranodes/depends.txt
index 6271875..6335bfd 100644
--- a/extranodes/depends.txt
+++ b/extranodes/depends.txt
@@ -1,6 +1,5 @@
 default
-moreblocks
 technic_worldgen
 concrete
 intllib?
-
+moreblocks?
diff --git a/extranodes/init.lua b/extranodes/init.lua
index 6f96217..22a1d9f 100644
--- a/extranodes/init.lua
+++ b/extranodes/init.lua
@@ -3,97 +3,101 @@
 -- Boilerplate to support localized strings if intllib mod is installed.
 local S = rawget(_G, "intllib") and intllib.Getter() or function(s) return s end
 
--- register stairsplus/circular_saw nodes
--- we skip blast resistant concrete and uranium intentionally
--- chrome seems to be too hard of a metal to be actually sawable
+if minetest.get_modpath("moreblocks") then
 
-stairsplus:register_all("technic", "marble", "technic:marble", {
-	description=S("Marble"),
-	groups={cracky=3, not_in_creative_inventory=1},
-	tiles={"technic_marble.png"},
-})
+	-- register stairsplus/circular_saw nodes
+	-- we skip blast resistant concrete and uranium intentionally
+	-- chrome seems to be too hard of a metal to be actually sawable
 
-stairsplus:register_all("technic", "marble_bricks", "technic:marble_bricks", {
-	description=S("Marble Bricks"),
-	groups={cracky=3, not_in_creative_inventory=1},
-	tiles={"technic_marble_bricks.png"},
-})
+	stairsplus:register_all("technic", "marble", "technic:marble", {
+		description=S("Marble"),
+		groups={cracky=3, not_in_creative_inventory=1},
+		tiles={"technic_marble.png"},
+	})
 
-stairsplus:register_all("technic", "granite", "technic:granite", {
-	description=S("Granite"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_granite.png"},
-})
+	stairsplus:register_all("technic", "marble_bricks", "technic:marble_bricks", {
+		description=S("Marble Bricks"),
+		groups={cracky=3, not_in_creative_inventory=1},
+		tiles={"technic_marble_bricks.png"},
+	})
 
-stairsplus:register_all("technic", "concrete", "technic:concrete", {
-	description=S("Concrete"),
-	groups={cracky=3, not_in_creative_inventory=1},
-	tiles={"technic_concrete_block.png"},
-})
+	stairsplus:register_all("technic", "granite", "technic:granite", {
+		description=S("Granite"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_granite.png"},
+	})
 
-stairsplus:register_all("technic", "zinc_block", "technic:zinc_block", {
-	description=S("Zinc Block"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_zinc_block.png"},
-})
+	stairsplus:register_all("technic", "concrete", "technic:concrete", {
+		description=S("Concrete"),
+		groups={cracky=3, not_in_creative_inventory=1},
+		tiles={"technic_concrete_block.png"},
+	})
 
-stairsplus:register_all("technic", "cast_iron_block", "technic:cast_iron_block", {
-	description=S("Cast Iron Block"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_cast_iron_block.png"},
-})
+	stairsplus:register_all("technic", "zinc_block", "technic:zinc_block", {
+		description=S("Zinc Block"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_zinc_block.png"},
+	})
 
-stairsplus:register_all("technic", "carbon_steel_block", "technic:carbon_steel_block", {
-	description=S("Carbon Steel Block"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_carbon_steel_block.png"},
-})
+	stairsplus:register_all("technic", "cast_iron_block", "technic:cast_iron_block", {
+		description=S("Cast Iron Block"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_cast_iron_block.png"},
+	})
 
-stairsplus:register_all("technic", "stainless_steel_block", "technic:stainless_steel_block", {
-	description=S("Stainless Steel Block"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_stainless_steel_block.png"},
-})
+	stairsplus:register_all("technic", "carbon_steel_block", "technic:carbon_steel_block", {
+		description=S("Carbon Steel Block"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_carbon_steel_block.png"},
+	})
 
-stairsplus:register_all("technic", "brass_block", "technic:brass_block", {
-	description=S("Brass Block"),
-	groups={cracky=1, not_in_creative_inventory=1},
-	tiles={"technic_brass_block.png"},
-})
+	stairsplus:register_all("technic", "stainless_steel_block", "technic:stainless_steel_block", {
+		description=S("Stainless Steel Block"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_stainless_steel_block.png"},
+	})
 
-function register_technic_stairs_alias(modname, origname, newmod, newname)
-	minetest.register_alias(modname .. ":slab_" .. origname, newmod..":slab_" .. newname)
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_inverted", newmod..":slab_" .. newname .. "_inverted")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_wall", newmod..":slab_" .. newname .. "_wall")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter", newmod..":slab_" .. newname .. "_quarter")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter_inverted", newmod..":slab_" .. newname .. "_quarter_inverted")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter_wall", newmod..":slab_" .. newname .. "_quarter_wall")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter", newmod..":slab_" .. newname .. "_three_quarter")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter_inverted", newmod..":slab_" .. newname .. "_three_quarter_inverted")
-	minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter_wall", newmod..":slab_" .. newname .. "_three_quarter_wall")
-	minetest.register_alias(modname .. ":stair_" .. origname, newmod..":stair_" .. newname)
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_inverted", newmod..":stair_" .. newname .. "_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_wall", newmod..":stair_" .. newname .. "_wall")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half", newmod..":stair_" .. newname .. "_wall_half")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half_inverted", newmod..":stair_" .. newname .. "_wall_half_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_half", newmod..":stair_" .. newname .. "_half")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_half_inverted", newmod..":stair_" .. newname .. "_half_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_right_half", newmod..":stair_" .. newname .. "_right_half")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_right_half_inverted", newmod..":stair_" .. newname .. "_right_half_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half", newmod..":stair_" .. newname .. "_wall_half")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half_inverted", newmod..":stair_" .. newname .. "_wall_half_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_inner", newmod..":stair_" .. newname .. "_inner")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_inner_inverted", newmod..":stair_" .. newname .. "_inner_inverted")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_outer", newmod..":stair_" .. newname .. "_outer")
-	minetest.register_alias(modname .. ":stair_" .. origname .. "_outer_inverted", newmod..":stair_" .. newname .. "_outer_inverted")
-	minetest.register_alias(modname .. ":panel_" .. origname .. "_bottom", newmod..":panel_" .. newname .. "_bottom")
-	minetest.register_alias(modname .. ":panel_" .. origname .. "_top", newmod..":panel_" .. newname .. "_top")
-	minetest.register_alias(modname .. ":panel_" .. origname .. "_vertical", newmod..":panel_" .. newname .. "_vertical")
-	minetest.register_alias(modname .. ":micro_" .. origname .. "_bottom", newmod..":micro_" .. newname .. "_bottom")
-	minetest.register_alias(modname .. ":micro_" .. origname .. "_top", newmod..":micro_" .. newname .. "_top")
-end 
+	stairsplus:register_all("technic", "brass_block", "technic:brass_block", {
+		description=S("Brass Block"),
+		groups={cracky=1, not_in_creative_inventory=1},
+		tiles={"technic_brass_block.png"},
+	})
 
-register_technic_stairs_alias("stairsplus", "concrete", "technic", "concrete")
-register_technic_stairs_alias("stairsplus", "marble", "technic", "marble")
-register_technic_stairs_alias("stairsplus", "granite", "technic", "granite")
-register_technic_stairs_alias("stairsplus", "marble_bricks", "technic", "marble_bricks")
+	function register_technic_stairs_alias(modname, origname, newmod, newname)
+		minetest.register_alias(modname .. ":slab_" .. origname, newmod..":slab_" .. newname)
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_inverted", newmod..":slab_" .. newname .. "_inverted")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_wall", newmod..":slab_" .. newname .. "_wall")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter", newmod..":slab_" .. newname .. "_quarter")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter_inverted", newmod..":slab_" .. newname .. "_quarter_inverted")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_quarter_wall", newmod..":slab_" .. newname .. "_quarter_wall")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter", newmod..":slab_" .. newname .. "_three_quarter")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter_inverted", newmod..":slab_" .. newname .. "_three_quarter_inverted")
+		minetest.register_alias(modname .. ":slab_" .. origname .. "_three_quarter_wall", newmod..":slab_" .. newname .. "_three_quarter_wall")
+		minetest.register_alias(modname .. ":stair_" .. origname, newmod..":stair_" .. newname)
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_inverted", newmod..":stair_" .. newname .. "_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_wall", newmod..":stair_" .. newname .. "_wall")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half", newmod..":stair_" .. newname .. "_wall_half")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half_inverted", newmod..":stair_" .. newname .. "_wall_half_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_half", newmod..":stair_" .. newname .. "_half")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_half_inverted", newmod..":stair_" .. newname .. "_half_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_right_half", newmod..":stair_" .. newname .. "_right_half")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_right_half_inverted", newmod..":stair_" .. newname .. "_right_half_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half", newmod..":stair_" .. newname .. "_wall_half")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_wall_half_inverted", newmod..":stair_" .. newname .. "_wall_half_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_inner", newmod..":stair_" .. newname .. "_inner")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_inner_inverted", newmod..":stair_" .. newname .. "_inner_inverted")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_outer", newmod..":stair_" .. newname .. "_outer")
+		minetest.register_alias(modname .. ":stair_" .. origname .. "_outer_inverted", newmod..":stair_" .. newname .. "_outer_inverted")
+		minetest.register_alias(modname .. ":panel_" .. origname .. "_bottom", newmod..":panel_" .. newname .. "_bottom")
+		minetest.register_alias(modname .. ":panel_" .. origname .. "_top", newmod..":panel_" .. newname .. "_top")
+		minetest.register_alias(modname .. ":panel_" .. origname .. "_vertical", newmod..":panel_" .. newname .. "_vertical")
+		minetest.register_alias(modname .. ":micro_" .. origname .. "_bottom", newmod..":micro_" .. newname .. "_bottom")
+		minetest.register_alias(modname .. ":micro_" .. origname .. "_top", newmod..":micro_" .. newname .. "_top")
+	end 
+
+	register_technic_stairs_alias("stairsplus", "concrete", "technic", "concrete")
+	register_technic_stairs_alias("stairsplus", "marble", "technic", "marble")
+	register_technic_stairs_alias("stairsplus", "granite", "technic", "granite")
+	register_technic_stairs_alias("stairsplus", "marble_bricks", "technic", "marble_bricks")
+
+end