diff --git a/templates/middleware/Auth.txt b/templates/middleware/Auth.txt
index 1a26ad0..943ce57 100644
--- a/templates/middleware/Auth.txt
+++ b/templates/middleware/Auth.txt
@@ -32,7 +32,7 @@ export default class AuthMiddleware {
      */
     let guardLastAttempted: string | undefined
 
-    for (let guard of guards) {
+    for (const guard of guards) {
       guardLastAttempted = guard
 
       if (await auth.use(guard).check()) {