diff --git a/plugins/Common.php b/plugins/Common.php
index e27cb33..6738cc8 100644
--- a/plugins/Common.php
+++ b/plugins/Common.php
@@ -551,7 +551,7 @@ Class Common {
         }
 
         if (!is_dir($cacheDir)) {
-            mkdir($cacheDir, 0755, true);
+            mkdir($cacheDir, 0755);
         }
 
         $cache_filename = "{$cacheDir}{$key}.json";