diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 35fc03de..c1486ebe 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -874,5 +874,13 @@
   "prefs_SurveyLinkText2": {
     "message": "Click here, it only takes a minute!",
     "description": ""
+  },
+  "prefs_OpenAIComp_ForceModel": {
+    "message": "Manually insert model",
+    "description": ""
+  },
+  "OpenAIComp_force_model_ask": {
+    "message": "Insert here the model name you want to use.",
+    "description": ""
   }
 }
\ No newline at end of file
diff --git a/options/mzta-options.html b/options/mzta-options.html
index c633f3da..dc54e2eb 100644
--- a/options/mzta-options.html
+++ b/options/mzta-options.html
@@ -239,6 +239,7 @@
         <td>
           <label>
             <span>__MSG_OpenAIComp_Models__</span>
+            <br><button id="btnOpenAICompForceModel" class="btn_small">__MSG_prefs_OpenAIComp_ForceModel__</button></td>
           </label>
         </td>
         <td>
diff --git a/options/mzta-options.js b/options/mzta-options.js
index db74f26d..4ca17dd9 100644
--- a/options/mzta-options.js
+++ b/options/mzta-options.js
@@ -276,6 +276,19 @@ document.addEventListener('DOMContentLoaded', async () => {
     })
   });
 
+  document.getElementById('btnOpenAICompForceModel').addEventListener('click', () => {
+    let modelName = prompt(browser.i18n.getMessage('OpenAIComp_force_model_ask')).trim();
+    if ((modelName !== null) && (modelName !== undefined) && (modelName !== '')) {
+      let select_openai_comp_model = document.getElementById('openai_comp_model');
+      let option = document.createElement('option');
+      option.value = modelName;
+      option.text = modelName;
+      select_openai_comp_model.appendChild(option);
+      select_openai_comp_model.value = modelName;
+      select_openai_comp_model.dispatchEvent(new Event('change', { bubbles: true }));    
+    }
+  });
+
   let conntype_select = document.getElementById("connection_type");
   conntype_select.addEventListener("change", showConnectionOptions);
   conntype_select.addEventListener("change", warn_ChatGPT_APIKeyEmpty);