diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 12344f3..9165255 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -11,6 +11,7 @@
 LOCAL_BUILT_MODULE_STEM:=
 OVERRIDE_BUILT_MODULE_PATH:=
 LOCAL_INSTALLED_MODULE:=
+LOCAL_INSTALLED_MODULE_STEM:=
 LOCAL_UNINSTALLABLE_MODULE:=
 LOCAL_INTERMEDIATE_TARGETS:=
 LOCAL_UNSTRIPPED_PATH:=