diff --git a/tox.ini b/tox.ini
index efdf9a7..7313b2a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,7 +28,7 @@ commands =
       --cover-erase \
       --cover-tests \
       --cover-branches \
-      --ignore-files=contrib/test_appengine\.py
+      --ignore-files=test_appengine\.py
     nosetests \
       --with-coverage \
       --cover-package=oauth2client.contrib.appengine \