diff --git a/mods/bg_tree/decompose.lua b/mods/bg_tree/decompose.lua
index e9e5ceb..f7e7e2c 100644
--- a/mods/bg_tree/decompose.lua
+++ b/mods/bg_tree/decompose.lua
@@ -10,7 +10,7 @@ local leaves_decomposing = modname .. ":leaves_decomposing"
 -- END OF NODE NAMES
 
 blockgame.register_increasing_abm({
-	id = "bg_tree:begin_decompose",
+	id = modname .. ":begin_decompose",
 	label = "decompose leaves",
 	nodenames = {leaves},
 	neighbors = {"group:dirty"},
@@ -28,7 +28,7 @@ blockgame.register_increasing_abm({
 })
 
 blockgame.register_increasing_abm({
-	id = "bg_tree:decompose",
+	id = modname .. ":decompose",
 	label = "decompose leaves",
 	nodenames = {leaves_decomposing},
 	neighbors = {"group:dirty"},