diff --git a/module/common/model.php b/module/common/model.php
index 64db4b6b20..65af01d070 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -57,7 +57,7 @@ class commonModel extends model
         }    
         else 
         {    
-			if(!empty($this->config->xFrameOptions)) header("X-Frame-Options: {$this->config->xFrameOptions}");
+            if(!empty($this->config->xFrameOptions)) header("X-Frame-Options: {$this->config->xFrameOptions}");
         } 
     }