diff --git a/src/Client.js b/src/Client.js
index f68491f..3ab2218 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -1996,7 +1996,7 @@ class Client extends EventEmitter {
      * @returns {Promise<boolean>} Returns true if the operation completed successfully, false otherwise
      */
     async deleteChannel(channelId) {
-        return await this.client.pupPage.evaluate(async (channelId) => {
+        return await this.pupPage.evaluate(async (channelId) => {
             const channel = await window.WWebJS.getChat(channelId, { getAsModel: false });
             if (!channel) return false;
             try {
diff --git a/src/util/Injected/Utils.js b/src/util/Injected/Utils.js
index 4fdc45d..1c35569 100644
--- a/src/util/Injected/Utils.js
+++ b/src/util/Injected/Utils.js
@@ -572,10 +572,10 @@ exports.LoadUtils = () => {
 
         if (isChannel) {
             try {
-                chat = window.Store.WAWebNewsletterMetadataCollection.get(chatId);
+                chat = window.Store.WAWebNewsletterCollection.get(chatId);
                 if (!chat) {
                     await window.Store.ChannelUtils.loadNewsletterPreviewChat(chatId);
-                    chat = await window.Store.WAWebNewsletterMetadataCollection.find(chatWid);
+                    chat = await window.Store.WAWebNewsletterCollection.find(chatWid);
                 }
             } catch (err) {
                 chat = null;
@@ -625,7 +625,7 @@ exports.LoadUtils = () => {
     };
 
     window.WWebJS.getChannels = async () => {
-        const channels = window.Store.WAWebNewsletterMetadataCollection.getModelsArray();
+        const channels = window.Store.WAWebNewsletterCollection.getModelsArray();
         const channelPromises = channels?.map((channel) => window.WWebJS.getChatModel(channel, { isChannel: true }));
         return await Promise.all(channelPromises);
     };