diff --git a/src/Generator.php b/src/Generator.php
index e0d90ff..27444ed 100644
--- a/src/Generator.php
+++ b/src/Generator.php
@@ -71,7 +71,7 @@ class Generator
     protected function detectDrivers()
     {
         try{
-            if (class_exists('Cache')) {
+            if (class_exists('Auth')) {
                 $class = get_class(\Auth::driver());
                 $this->extra['Auth'] = array($class);
                 $this->interfaces['\Illuminate\Auth\UserProviderInterface'] = $class;