diff --git a/src/Mcamara/LaravelLocalization/Middleware/SetLocale.php b/src/Mcamara/LaravelLocalization/Middleware/SetLocale.php
index dad662b..c30751c 100644
--- a/src/Mcamara/LaravelLocalization/Middleware/SetLocale.php
+++ b/src/Mcamara/LaravelLocalization/Middleware/SetLocale.php
@@ -66,7 +66,7 @@ protected function fallbackLocale(Request $request): string
 
         // but if hideDefaultLocaleInURL is false, we may have to retrieve it from the browser...
         if ($this->laravelLocalization->useAcceptLanguageHeader()) {
-            $negotiator = new LanguageNegotiator($defaultLocale, $this->getSupportedLocales(), $request);
+            $negotiator = new LanguageNegotiator($defaultLocale, $this->laravelLocalization->getSupportedLocales(), $request);
 
             return $negotiator->negotiateLanguage();
         }