diff --git a/Makefile b/Makefile
index ef0ec30..75d64b5 100644
--- a/Makefile
+++ b/Makefile
@@ -2,4 +2,4 @@
 				find apiclient samples -name "*.py" | xargs pep8 --ignore=E111,E202
 
 test:
-				python runtests.py
+				python runtests.py tests