diff --git a/routes/routes.go b/routes/routes.go
index 074782e..6300975 100644
--- a/routes/routes.go
+++ b/routes/routes.go
@@ -287,9 +287,9 @@ func (d *deps) Diff(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	name, ok := mailmap[diff.Commit.Author.Email]
+	authorname, ok := mailmap[diff.Commit.Author.Email]
 	if ok {
-		diff.Commit.Author.Name = name
+		diff.Commit.Author.Name = authorname
 	}
 
 	data := make(map[string]interface{})