diff --git a/src/SlackServiceProviderLaravel5.php b/src/SlackServiceProviderLaravel5.php
index 666ee16..0b2d64c 100644
--- a/src/SlackServiceProviderLaravel5.php
+++ b/src/SlackServiceProviderLaravel5.php
@@ -24,7 +24,7 @@ public function register()
   {
     $this->mergeConfigFrom(__DIR__ . '/config/config.php', 'slack');
 
-    $this->app['maknz.slack'] = $this->app->share(function($app)
+    $this->app->singleton('maknz.slack', function($app)
     {
       return new Client(
         $app['config']->get('slack.endpoint'),