diff --git a/src/Illuminate/Http/Middleware/TrustHosts.php b/src/Illuminate/Http/Middleware/TrustHosts.php
index 8b563151adc0..fd7e601518f0 100644
--- a/src/Illuminate/Http/Middleware/TrustHosts.php
+++ b/src/Illuminate/Http/Middleware/TrustHosts.php
@@ -55,7 +55,7 @@ public function handle(Request $request, $next)
      */
     protected function shouldSpecifyTrustedHosts()
     {
-        return config('app.env') !== 'local' &&
+        return ! $this->app->environment('local') &&
                ! $this->app->runningUnitTests();
     }