diff --git a/services/gitdiff/gitdiff.go b/services/gitdiff/gitdiff.go
index 68f0e7a7ed..6f960ea87a 100644
--- a/services/gitdiff/gitdiff.go
+++ b/services/gitdiff/gitdiff.go
@@ -1312,7 +1312,7 @@ outer:
 		}
 	}
 
-	return diff, err
+	return diff, nil
 }
 
 // CommentAsDiff returns c.Patch as *Diff