diff --git a/mods/bg_tree/decompose.lua b/mods/bg_tree/decompose.lua
index b5f1775..7769ae2 100644
--- a/mods/bg_tree/decompose.lua
+++ b/mods/bg_tree/decompose.lua
@@ -64,6 +64,8 @@ blockgame.register_increasing_abm({
 				score = score + gain
 				return true
 			end
+
+			return false
 		end, 4)
 
 		return data.value + score