diff --git a/src/AclServiceProvider.php b/src/AclServiceProvider.php
index 8b0b0f4..5538264 100644
--- a/src/AclServiceProvider.php
+++ b/src/AclServiceProvider.php
@@ -111,6 +111,6 @@ public function provides()
      */
     protected function isLumen()
     {
-        return !function_exists('config_path');
+        return str_contains($this->app->version(), 'Lumen');
     }
 }