diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 4f2af4f8..ce66ebb9 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -406,10 +406,13 @@
   "ChatGPT_Models": {
     "message": "ChatGPT Models",
     "description": ""
-  }
-  ,
+  },
   "ChatGPT_Models_Fetch": {
     "message": "Update ChatGPT Models list",
     "description": ""
+  },
+  "ChatGPT_Models_Error_fetching": {
+    "message": "Error trying to fetch ChatGPT models",
+    "description": ""
   }
 }
\ No newline at end of file
diff --git a/options/mzta-options.js b/options/mzta-options.js
index 57d6bca9..2442da52 100644
--- a/options/mzta-options.js
+++ b/options/mzta-options.js
@@ -164,6 +164,11 @@ document.addEventListener('DOMContentLoaded', async () => {
 
   document.getElementById('btnUpdateChatGPTModels').addEventListener('click', () => {
     openai.fetchModels().then((data) => {
+      if(!data){
+        console.error("[ThunderAI] " + browser.i18n.getMessage("ChatGPT_Models_Error_fetching"));
+        alert(browser.i18n.getMessage("ChatGPT_Models_Error_fetching"));
+        return;
+      }
       console.log(">>>>>>>>> ChatGPT models: " + JSON.stringify(data));
       data.forEach(model => {
         if (!Array.from(select_model_chatgpt.options).some(option => option.value === model.id)) {