diff --git a/src/Torann/LaravelMetaTags/MetaTag.php b/src/Torann/LaravelMetaTags/MetaTag.php
index 887fec9..2ef54b4 100644
--- a/src/Torann/LaravelMetaTags/MetaTag.php
+++ b/src/Torann/LaravelMetaTags/MetaTag.php
@@ -128,6 +128,7 @@ public function tag($key, $value = '')
     {
         return $this->createTag([
             'name' => $key,
+            'property' => $key,
             'content' => $value ?: Arr::get($this->metas, $key, ''),
         ]);
     }