diff --git a/services/test/tracker_fulltext_test.py b/services/test/tracker_fulltext_test.py
index db8a7a7..a4c935e 100644
--- a/services/test/tracker_fulltext_test.py
+++ b/services/test/tracker_fulltext_test.py
@@ -10,7 +10,10 @@
 
 import unittest
 
-import mox
+try:
+  from mox3 import mox
+except ImportError:
+  import mox
 
 from google.appengine.api import search