diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index 0e8e9f9..5ecc960 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -125,7 +125,7 @@
 	 */
 	function encode_php_tags($str)
 	{
-		return str_replace(array('<?', '?>'),  array('&lt;?', '?&gt;'), $str);
+		return str_replace(array('<?', '?>'), array('&lt;?', '?&gt;'), $str);
 	}
 }