diff --git a/app/Http/Middleware/DetectLanguagePrefer.php b/app/Http/Middleware/DetectLanguagePrefer.php
index 498d6b8a..2a4c44ad 100644
--- a/app/Http/Middleware/DetectLanguagePrefer.php
+++ b/app/Http/Middleware/DetectLanguagePrefer.php
@@ -28,7 +28,7 @@ class DetectLanguagePrefer
 
         /** @var Response */
         $response = $next($request);
-        if (!in_array('api', $request->route()->middleware())) {
+        if (!in_array('api', optional($request->route())->middleware() ?? [])) {
             $response->cookie('locale', $locale, 120);
         }