diff --git a/app/models/repository.rb b/app/models/repository.rb
index 631a248258fe5e4963d8276e0c3c586c252d8ae1..67155ac4f80bafa7d0a17c53c88ed2868bcdc81d 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -68,7 +68,7 @@ class Repository
   end
 
   def commit(id = 'HEAD')
-    return nil unless raw_repository
+    return nil unless exists?
     commit = Gitlab::Git::Commit.find(raw_repository, id)
     commit = Commit.new(commit, @project) if commit
     commit