--- a/python/mozversioncontrol/mozversioncontrol/__init__.py
+++ b/python/mozversioncontrol/mozversioncontrol/__init__.py
@@ -94,12 +94,12 @@ class GitRepository(Repository):
         self._run('add', path)
 
 def get_repository_object(path):
     '''Get a repository object for the repository at `path`.
     If `path` is not a known VCS repository, raise an exception.
     '''
     if os.path.isdir(os.path.join(path, '.hg')):
         return HgRepository(path)
-    elif os.path.isdir(os.path.join(path, '.git')):
+    elif os.path.exists(os.path.join(path, '.git')):
         return GitRepository(path)
     else:
         raise Exception('Unknown VCS, or not a source checkout: %s' % path)