diff --git a/init.lua b/init.lua
index 9646329..a67ddb2 100644
--- a/init.lua
+++ b/init.lua
@@ -106,7 +106,7 @@ for i = 1, #colours do
 		groups = {cracky = 2, stone = 1},
 		sounds = default.node_sound_stone_defaults(),
 		paramtype2 = "facedir",
-		on_place = minetest.rotate_node
+		place_param2 = 0
 	})
 
 	minetest.register_craft({
@@ -173,7 +173,7 @@ for i = 1, #colours do
 		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, wood = 1},
 		sounds = default.node_sound_wood_defaults(),
 		paramtype2 = "facedir",
-		on_place = minetest.rotate_node
+		place_param2 = 0
 	})
 
 	set_alias(colours[i][1], "wood")
diff --git a/mod.conf b/mod.conf
index cf6c9b8..7c5aeae 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,4 +1,5 @@
 name = cblocks
+description = Adds coloured wood, glass and stone blocks.
 depends = default
 optional_depends = lucky_block, stairs, moreblocks
-description = Adds coloured wood, glass and stone blocks.
+min_minetest_version = 5.0