diff --git a/tests/git_hyper_blame_test.py b/tests/git_hyper_blame_test.py
index 9ef60de1e..ad556838d 100755
--- a/tests/git_hyper_blame_test.py
+++ b/tests/git_hyper_blame_test.py
@@ -6,6 +6,7 @@
 
 import datetime
 import os
+import re
 import shutil
 import StringIO
 import sys
@@ -128,7 +129,8 @@ class GitHyperBlameMainTest(GitHyperBlameTestBase):
 
     self.assertNotEqual(0, retval)
     self.assertEqual('', stdout.getvalue())
-    self.assertRegexpMatches(stderr.getvalue(), '^fatal: Not a git repository')
+    r = re.compile('^fatal: Not a git repository', re.I)
+    self.assertRegexpMatches(stderr.getvalue(), r)
 
   def testBadFilename(self):
     """Tests the main function (bad filename)."""