--- a/config/tests/makefiles/autodeps/check_mkdir.py
+++ b/config/tests/makefiles/autodeps/check_mkdir.py
@@ -9,16 +9,17 @@ import os
 import sys
 import tempfile
 
 from subprocess import call
 from shutil     import rmtree
 
 import logging
 import unittest
+import mozunit
 
 
 def banner():
     """
     Display interpreter and system info for the test env
     """
     print '*' * 75
     cmd = os.path.basename(__file__)
@@ -261,9 +262,9 @@ if __name__ == '__main__':
     myopts(opts)
 
     if opts:
         if hasattr(opts, 'unittest_args'):
             sys.argv[1:] = opts.unittest_args
         else:
             sys.argv[1:] = []
 
-    unittest.main()
+    mozunit.main()