diff --git a/core/lib/Thelia/Install/CheckPermission.php b/core/lib/Thelia/Install/CheckPermission.php
index 6ce7cb7c1..4ace03c8b 100644
--- a/core/lib/Thelia/Install/CheckPermission.php
+++ b/core/lib/Thelia/Install/CheckPermission.php
@@ -394,17 +394,15 @@ class CheckPermission extends BaseInstall
     {
         $val = trim($val);
         $last = strtolower($val[strlen($val)-1]);
+        // Do not add breaks in the switch below
         switch ($last) {
             // The 'G' modifier is available since PHP 5.1.0
             case 'g':
                 $val *= 1024;
-                break;
             case 'm':
                 $val *= 1024;
-                break;
             case 'k':
                 $val *= 1024;
-                break;
         }
 
         return $val;