diff --git a/module/VisualCeption.php b/module/VisualCeption.php
index d9da571..4312eb4 100644
--- a/module/VisualCeption.php
+++ b/module/VisualCeption.php
@@ -33,7 +33,7 @@ private function init ()
         }
 
         if (! is_dir($this->referenceImageDir)) {
-            mkdir($this->referenceImageDir, 0777);
+            mkdir($this->referenceImageDir, 0666);
         }
     }
 
@@ -62,7 +62,7 @@ private function getScreenshotPath ($identifier)
     {
         $debugDir = \Codeception\Configuration::logDir() . 'debug/tmp/';
         if (! is_dir($debugDir)) {
-            mkdir($debugDir, 0777);
+            mkdir($debugDir, 0666);
         }
         return $debugDir . $this->getScreenshotName($identifier);
     }