diff --git a/services/comments.js b/services/comments.js
index 391c5412f..a1f59c1e1 100644
--- a/services/comments.js
+++ b/services/comments.js
@@ -168,7 +168,7 @@ module.exports = {
       created_at,
     });
 
-    editedComment.metadata = metadata;
+    editedComment.metadata = merge(editedComment.metadata, metadata);
 
     return editedComment;
   },