diff --git a/core/java.mk b/core/java.mk
index 6ee983e..cf0fdb7 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -623,7 +623,7 @@
         $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
         $(JACK_DEFAULT_ARGS) $(JACK)
 
-$(jack_check_timestamp): $(jack_all_deps)
+$(jack_check_timestamp): $(jack_all_deps) | setup-jack-server
 	@echo Checking build with Jack: $@
 	$(jack-check-java)