diff --git a/src/structures/Chat.js b/src/structures/Chat.js
index d3174c7..214c43e 100644
--- a/src/structures/Chat.js
+++ b/src/structures/Chat.js
@@ -57,6 +57,12 @@ class Chat extends Base {
          */
         this.archived = data.archive;
 
+        /**
+         * Unix timestamp for when the mute expires
+         * @type {number}
+         */
+        this.muteExpiration = data.muteExpiration;
+
         return super._patch(data);
     }