diff --git a/packages/web/lib/fog/fogbase.class.php b/packages/web/lib/fog/fogbase.class.php
index 548b6b14a7..18bc11426e 100644
--- a/packages/web/lib/fog/fogbase.class.php
+++ b/packages/web/lib/fog/fogbase.class.php
@@ -2302,11 +2302,8 @@ public static function lasterror()
      */
     public static function getFilesize($file)
     {
-        $file = escapeshellarg($file);
-
-        return trim(
-            shell_exec("du -b $file | awk '{print $1}'")
-        );
+        $size = filesize($file);
+        return isset($size) ? $size : 0;
     }
     /**
      * Perform enmass wake on lan.
@@ -2420,7 +2417,6 @@ public static function fastmerge($array1)
      */
     public static function getHash($file)
     {
-        $file = escapeshellarg($file);
         $filesize = self::getFilesize($file);
         $fp = fopen($file, 'r');
         if ($fp) {