diff --git a/discover_tests.py b/discover_tests.py
index 5065aba..3e8dbe9 100644
--- a/discover_tests.py
+++ b/discover_tests.py
@@ -13,7 +13,7 @@ http://stackoverflow.com/a/17004409/753501
 
 
 # Standard:
-import os
+import os.path
 
 # External:
 import unittest2