diff --git a/index.d.ts b/index.d.ts
index d9ffc8c..d26755b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -666,6 +666,8 @@ declare namespace WAWebJS {
     isGroup: boolean,
     /** Indicates if the Chat is readonly */
     isReadOnly: boolean,
+    /** Indicates if the Chat is muted */
+    isMuted: boolean,
     /** Title of the chat */
     name: string,
     /** Unix timestamp for when the last activity occurred */
diff --git a/src/structures/Chat.js b/src/structures/Chat.js
index 214c43e..8a451db 100644
--- a/src/structures/Chat.js
+++ b/src/structures/Chat.js
@@ -57,6 +57,12 @@ class Chat extends Base {
          */
         this.archived = data.archive;
 
+        /**
+         * Indicates if the chat is muted or not
+         * @type {number}
+         */
+        this.isMuted = data.isMuted;
+
         /**
          * Unix timestamp for when the mute expires
          * @type {number}
diff --git a/src/util/Injected.js b/src/util/Injected.js
index 9a2ed1b..bcff32c 100644
--- a/src/util/Injected.js
+++ b/src/util/Injected.js
@@ -170,6 +170,7 @@ exports.LoadUtils = () => {
         let res = chat.serialize();
         res.isGroup = chat.isGroup;
         res.formattedTitle = chat.formattedTitle;
+        res.isMuted = chat.mute && chat.mute.isMuted;
 
         if (chat.groupMetadata) {
             await window.Store.GroupMetadata.update(chat.id._serialized);