diff --git a/gulliver/system/class.monologProvider.php b/gulliver/system/class.monologProvider.php
index 9840834cb..5bbb5b3b4 100644
--- a/gulliver/system/class.monologProvider.php
+++ b/gulliver/system/class.monologProvider.php
@@ -31,7 +31,7 @@ class MonologProvider
     public $numOfKeepFiles = 60;
     public $levelDebug = 100;
     public $bubble = true;
-    public $filePermission = 0775;
+    public $filePermission = 0666;
 
     public function __construct ($channel, $fileLog)
     {