diff --git a/Makefile b/Makefile
index 212e967..6b6daea 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ test-tier0:
 
 # TIER1 - all normal features expected to work.
 test-tier1:
-	${MAKE} test-hub-api
+	${MAKE} test-hub-api ${HUB_TESTS_REF}
 	$(MAKE) test-metrics
 	TIER1=1 $(MAKE) test-analysis