diff --git a/app/models/git/repository.rb b/app/models/git/repository.rb
index ce3d5b635..a6bf01464 100644
--- a/app/models/git/repository.rb
+++ b/app/models/git/repository.rb
@@ -8,7 +8,7 @@ class Git::Repository
   end
 
   def master
-    commits(master, 1).first
+    commits('master', 1).first
   end
   
   def to_s