diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index a9e743d5..d5f70d73 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -99,6 +99,11 @@
     "description": ""
   },
 
+  "prefs_OptionText_default_chatgpt_lang": {
+    "message": "Default language for ChatGPT responses",
+    "description": ""
+  },
+
   "prefsInfoTitle": {
     "message": "Important Information",
     "description": ""
diff --git a/_locales/it/messages.json b/_locales/it/messages.json
index a9f6e655..12153896 100644
--- a/_locales/it/messages.json
+++ b/_locales/it/messages.json
@@ -99,6 +99,10 @@
     "description": ""
   },
 
+  "prefs_OptionText_default_chatgpt_lang": {
+    "message": "Lingua predefinita per le risposte di ChatGPT",
+    "description": ""
+  },
 
   "prefsInfoTitle": {
     "message": "Informazioni Importanti",
diff --git a/js/mzta-utils.js b/js/mzta-utils.js
new file mode 100644
index 00000000..bb483198
--- /dev/null
+++ b/js/mzta-utils.js
@@ -0,0 +1,5 @@
+export function getLanguageDisplayName(languageCode) {
+    const languageDisplay = new Intl.DisplayNames([languageCode], {type: 'language'});
+    let lang_string = languageDisplay.of(languageCode);
+    return lang_string.charAt(0).toUpperCase() + lang_string.slice(1);
+  }
\ No newline at end of file
diff --git a/messageMenu/mzta-msgmenu.js b/messageMenu/mzta-msgmenu.js
index b99ef588..0ce00890 100644
--- a/messageMenu/mzta-msgmenu.js
+++ b/messageMenu/mzta-msgmenu.js
@@ -1,6 +1,7 @@
 // Modified version derived from https://github.com/ali-raheem/Aify/blob/cfadf52f576b7be3720b5b73af7c8d3129c054da/plugin/html/actions.js
 
 import { defaultPrompts } from '../js/mzta-prompts.js';
+import { getLanguageDisplayName } from '../js/mzta-utils.js'
 
 const addAction = (curr_prompt, promptsContainer) => {
     const promptDiv = document.createElement("div");
@@ -36,7 +37,15 @@ const addAction = (curr_prompt, promptsContainer) => {
         }
         //open chatgpt window
         //console.log("Click menu item...");
-        var fullPrompt = curr_prompt.text + " " + await getDefaultSignature() + " " + browser.i18n.getMessage("prompt_lang") + browser.i18n.getMessage("prompt_translate_lang") + " \"" + msg_text.text + "\" ";
+        let prefs = await browser.storage.sync.get({default_chatgpt_lang: getLanguageDisplayName(browser.i18n.getUILanguage())});
+        let chatgpt_lang = prefs.default_chatgpt_lang;
+
+        var fullPrompt = fullPrompt = curr_prompt.text + (curr_prompt.need_signature ? " " + await getDefaultSignature():"") + " " + browser.i18n.getMessage("prompt_lang") + chatgpt_lang + ". \"" + msg_text.text + "\" ";
+
+        if(curr_prompt.id == 'prompt_translate_this'){
+              fullPrompt = curr_prompt.text + chatgpt_lang + ". \"" + msg_text.text + "\" ";
+        }
+
         const tabs = await browser.tabs.query({ active: true, currentWindow: true });
         browser.runtime.sendMessage({command: "chatgpt_open", prompt: fullPrompt, action: curr_prompt.action, tabId: tabs[0].id});
     };
diff --git a/options/mzta-options.html b/options/mzta-options.html
index a0cf2309..b595480e 100644
--- a/options/mzta-options.html
+++ b/options/mzta-options.html
@@ -11,7 +11,9 @@
       <label><input type="number" id="chatgpt_win_height" name="chatgpt_win_height" class="option-input" /> __MSG_prefs_OptionText_chatgpt_win_height__</label><br/>
       <input type="number" id="chatgpt_win_width" name="chatgpt_win_width" class="option-input" /> __MSG_prefs_OptionText_chatgpt_win_width__</label><br/>
       <br/>
-      <label><input type="text" id="default_sign_name" name="default_sign_name" class="option-input" /> __MSG_prefs_OptionText_default_sign_name__</label></div>
+      <label><input type="text" id="default_sign_name" name="default_sign_name" class="option-input" /> __MSG_prefs_OptionText_default_sign_name__</label><br/>
+      <label><input type="text" id="default_chatgpt_lang" name="default_chatgpt_lang" class="option-input" /> __MSG_prefs_OptionText_default_chatgpt_lang__</label>
+    </div>
     <div id="miczDescription">
       <h1>__MSG_prefsInfoTitle__</h1>
       <p>__MSG_prefsInfoDesc_1__<br/>
diff --git a/options/mzta-options.js b/options/mzta-options.js
index 4af0c7fd..41d13a6d 100644
--- a/options/mzta-options.js
+++ b/options/mzta-options.js
@@ -1,4 +1,5 @@
 import { prefs_default } from './mzta-options-default.js';
+import { getLanguageDisplayName } from '../js/mzta-utils.js'
 
 function saveOptions(e) {
   e.preventDefault();
@@ -34,13 +35,15 @@ function restoreOptions() {
           element.checked = result[element.id] || false;
           break;
         case 'number':
-          let default_value = 0;
-          if(element.id == 'chatgpt_win_height') default_value = prefs_default.chatgpt_win_height;
-          if(element.id == 'chatgpt_win_width') default_value = prefs_default.chatgpt_win_width;
-          element.value = result[element.id] || default_value;
+          let default_number_value = 0;
+          if(element.id == 'chatgpt_win_height') default_number_value = prefs_default.chatgpt_win_height;
+          if(element.id == 'chatgpt_win_width') default_number_value = prefs_default.chatgpt_win_width;
+          element.value = result[element.id] || default_number_value;
           break;
         case 'text':
-          element.value = result[element.id] || '';
+          let default_text_value = '';
+          if(element.id == 'default_chatgpt_lang') default_text_value = getLanguageDisplayName(browser.i18n.getUILanguage());
+          element.value = result[element.id] || default_text_value;
           break;
         default:
         if (element.tagName === 'SELECT') {