diff --git a/lib/private/Files/Storage/Local.php b/lib/private/Files/Storage/Local.php
index 81d1d083eb892..944b0b699599d 100644
--- a/lib/private/Files/Storage/Local.php
+++ b/lib/private/Files/Storage/Local.php
@@ -86,7 +86,10 @@ public function getId() {
 	}
 
 	public function mkdir($path) {
-		return @mkdir($this->getSourcePath($path), 0777, true);
+		$sourcePath = $this->getSourcePath($path);
+		$result = @mkdir($sourcePath, 0777, true);
+		chmod($sourcePath, 0755);
+		return $result;
 	}
 
 	public function rmdir($path) {