diff --git a/cpplint.py b/cpplint.py
index a8f1790..3a969f6 100755
--- a/cpplint.py
+++ b/cpplint.py
@@ -1356,6 +1356,7 @@ def RepositoryName(self):
             os.path.exists(os.path.join(current_dir, ".hg")) or
             os.path.exists(os.path.join(current_dir, ".svn"))):
           root_dir = current_dir
+          break
         current_dir = os.path.dirname(current_dir)
 
       if (os.path.exists(os.path.join(root_dir, ".git")) or