diff --git a/src/AgentServiceProvider.php b/src/AgentServiceProvider.php
index 015af3e..ceff51c 100644
--- a/src/AgentServiceProvider.php
+++ b/src/AgentServiceProvider.php
@@ -26,7 +26,7 @@ public function boot()
      */
     public function register()
     {
-        $this->app['agent'] = $this->app->share(function ($app)
+        $this->app->singleton('agent', function ($app)
         {
             return new Agent($app['request']->server->all());
         });