diff --git a/libraries/joomla/filter/input.php b/libraries/joomla/filter/input.php
index 821055051d22a..0f13365663c15 100644
--- a/libraries/joomla/filter/input.php
+++ b/libraries/joomla/filter/input.php
@@ -439,7 +439,7 @@ public static function isSafeFile($file, $options = array())
 				if (!empty($options['forbidden_extensions']))
 				{
 					$explodedName = explode('.', $intendedName);
-					array_reverse($explodedName);
+					$explodedName =	array_reverse($explodedName);
 					array_pop($explodedName);
 					array_map('strtolower', $explodedName);