diff --git a/include/debug.mk b/include/debug.mk
index 68d70ba093..faead042dc 100644
--- a/include/debug.mk
+++ b/include/debug.mk
@@ -22,7 +22,7 @@ ifeq ($(DUMP),)
 endif
 
 define debug
-$$(findstring $(2),$$(if $$(DEBUG_DIR),$$(if $$(filter $$(DEBUG_DIR)%,$(1)),$(build_debug)),$(build_debug)))
+$$(findstring $(2),$$(if $$(DEBUG_SCOPE_DIR),$$(if $$(filter $$(DEBUG_SCOPE_DIR)%,$(1)),$(build_debug)),$(build_debug)))
 endef
 
 define warn