diff --git a/core/java_library.mk b/core/java_library.mk
index dace974..db4ccb5 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -83,13 +83,13 @@
 $(common_javalib.jar) : $(built_dex) $(java_resource_sources) | $(ZIPTIME)
 	@echo "target Jar: $(PRIVATE_MODULE) ($@)"
 ifdef LOCAL_JACK_ENABLED
-	$(create-empty-package-at,$@.tmp)
+	$(call create-empty-package-at,$@.tmp)
 else
 	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@.tmp)
 endif
 	$(call add-dex-to-package-arg,$@.tmp)
 ifdef LOCAL_JACK_ENABLED
-	$(add-carried-jack-resources-to,$@.tmp)
+	$(call add-carried-jack-resources-to,$@.tmp)
 endif
 	$(hide) $(ZIPTIME) $@.tmp
 	$(call commit-change-for-toc,$@)