diff --git a/src/structures/GroupNotification.js b/src/structures/GroupNotification.js
index d96dc03..d022b70 100644
--- a/src/structures/GroupNotification.js
+++ b/src/structures/GroupNotification.js
@@ -43,7 +43,7 @@ class GroupNotification extends Base {
          * 
          * @type {string}
          */
-        this.chatId = typeof (data.from) === 'object' ? data.from._serialized : data.from;
+        this.chatId = typeof (data.to) === 'object' ? data.to._serialized : data.to;
 
         /**
          * ContactId for the user that produced the GroupNotification.