diff --git a/core/java.mk b/core/java.mk
index c2a4c83..eefcf2f 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -498,7 +498,8 @@
 endif
 
 # Keep a copy of the jar just before proguard processing.
-$(full_classes_jar): $(full_classes_emma_jar) | $(ACP)
+# TODO: this should depend on full_classes_emma_jar once coverage works again
+$(full_classes_jar): $(full_classes_jarjar_jar) | $(ACP)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@