diff --git a/Makefile b/Makefile
index a51f1c7..e848b1c 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ test:
 	bash $(CODECOV_PATH) -c -F storage
 else
 test:
-	py.test $(PYTEST_ARGS)
+	py.test $(PYTEST_ARGS) tests/
 endif
 
 all: