diff --git a/core/package_internal.mk b/core/package_internal.mk
index 557a2c6..eb3c67d 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -99,7 +99,7 @@
 
 # Determine whether auto-RRO is enabled for this package.
 enforce_rro_enabled :=
-ifeq ($(PRODUCT_ENFORCE_RRO_TARGETS),*)
+ifneq (,$(filter *, $(PRODUCT_ENFORCE_RRO_TARGETS)))
   # * means all system APKs, so enable conditionally based on module path.
 
   # Note that base_rules.mk has not yet been included, so it's likely that only