diff --git a/app/image.class.php b/app/image.class.php
index 9338579..6810a42 100644
--- a/app/image.class.php
+++ b/app/image.class.php
@@ -137,7 +137,10 @@ public static function upload(){
 		// Ensure, that directories exists
 		$_images_path = Config::get('images_path');
 		$_thumbnails_path = Config::get('thumbnails_path');
-		if((!is_dir($_images_path) && !mkdir($_images_path, 755, true)) || (!is_dir($_thumbnails_path) && !mkdir($_thumbnails_path, 755, true))){
+		if(
+			(!is_dir($_images_path) && !mkdir($_images_path, 0755, true)) ||
+			(!is_dir($_thumbnails_path) && !mkdir($_thumbnails_path, 0755, true))
+		){
 			throw new Exception("Images or thumbnails directory could not be created.");
 		}