diff --git a/config/trustedproxy.php b/config/trustedproxy.php
index dc46c31b..f3b88cd5 100644
--- a/config/trustedproxy.php
+++ b/config/trustedproxy.php
@@ -26,7 +26,7 @@ return [
      * subsequently passed through.
      */
     'proxies' => in_array(env('TRUSTED_PROXIES', []), ['*', '**']) ?
-        env('TRUSTED_PROXIES') : explode(',', env('TRUSTED_PROXIES', null)),
+        env('TRUSTED_PROXIES') : explode(',', env('TRUSTED_PROXIES', '')),
 
     /*
      * Or, to trust all proxies that connect