diff --git a/tools/colorizer.py b/tools/colorizer.py
index 1dfe04cd03..aa7427e406 100755
--- a/tools/colorizer.py
+++ b/tools/colorizer.py
@@ -321,7 +321,7 @@ class NovaTestResult(testtools.TestResult):
 
 test = subunit.ProtocolTestCase(sys.stdin, passthrough=None)
 
-if sys.version_info <= (2, 6):
+if sys.version_info[0:2] <= (2, 6):
     runner = unittest.TextTestRunner(verbosity=2)
 else:
     runner = unittest.TextTestRunner(verbosity=2, resultclass=NovaTestResult)