diff --git a/app/Models/Common/Contact.php b/app/Models/Common/Contact.php
index 5b4ceaaa3..7ee5c7237 100644
--- a/app/Models/Common/Contact.php
+++ b/app/Models/Common/Contact.php
@@ -109,6 +109,7 @@ class Contact extends Model
 
     public function onCloning($src, $child = null)
     {
+        $this->email = null;
         $this->user_id = null;
     }