diff --git a/lib/helper.php b/lib/helper.php
old mode 100644
new mode 100755
index 75942f092c..66f31d929b
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -220,7 +220,7 @@ class OC_Helper {
 				$fullpath = $path.'/'.$file;
 				if(is_link($fullpath))
 					return FALSE;
-				elseif(!is_dir($fullpath) && !chmod($fullpath, $filemode))
+				elseif(!is_dir($fullpath) && !@chmod($fullpath, $filemode))
 						return FALSE;
 				elseif(!self::chmodr($fullpath, $filemode))
 					return FALSE;