diff --git a/reference/filesystem/functions/mkdir.xml b/reference/filesystem/functions/mkdir.xml
index 369bcf6fcc..aa5c017525 100644
--- a/reference/filesystem/functions/mkdir.xml
+++ b/reference/filesystem/functions/mkdir.xml
@@ -144,7 +144,7 @@ $structure = './depth1/depth2/depth3/';
 // To create the nested structure, the $recursive parameter 
 // to mkdir() must be specified.
 
-if (!mkdir($structure, 0, true)) {
+if (!mkdir($structure, 0777, true)) {
     die('Failed to create folders...');
 }