diff --git a/app/Classes/MetadataManager.php b/app/Classes/MetadataManager.php
index abf8189..2ab28f4 100644
--- a/app/Classes/MetadataManager.php
+++ b/app/Classes/MetadataManager.php
@@ -100,13 +100,13 @@ protected function writeToDisk(array $data)
      */
     public function set($key, $value)
     {
-        $this->content->put($key, $value);
+        $this->setMany(collect([$key => $value])->undot());
     }
 
     /**
      * Sets multiple metadata at once.
      */
-    public function setMany(array $array)
+    public function setMany($array)
     {
         foreach ($array as $key => $value) {
             $this->content->put($key, $value);