diff --git a/library/Phue/Group.php b/library/Phue/Group.php
index 5e35fd0..d89b0e6 100644
--- a/library/Phue/Group.php
+++ b/library/Phue/Group.php
@@ -193,7 +193,7 @@ public function setAlert($mode = SetLightState::ALERT_LONG_SELECT)
         $this->client->sendCommand($y);
         $this->attributes->action->alert = $mode;
         return $this;
-    }    
+    }
     
     
     /**