diff --git a/options/mzta-options.html b/options/mzta-options.html
index adcbc429..ab55973f 100644
--- a/options/mzta-options.html
+++ b/options/mzta-options.html
@@ -220,7 +220,7 @@
           </label>
         </td>
       </tr>
-      <tr>
+      <tr id="max_prompt_length_tr">
         <td><span>__MSG_prefs_OptionText_max_prompt_length__</span></td>
         <td>
           <label>
diff --git a/options/mzta-options.js b/options/mzta-options.js
index a944b77a..62a4a55d 100644
--- a/options/mzta-options.js
+++ b/options/mzta-options.js
@@ -208,6 +208,8 @@ function disable_MaxPromptLength(){
   let maxPromptLength = document.getElementById('max_prompt_length');
   let conntype_select = document.getElementById("connection_type");
   maxPromptLength.disabled = (conntype_select.value === "chatgpt_web");
+  let maxPromptLength_tr = document.getElementById('max_prompt_length_tr');
+  maxPromptLength_tr.style.display = (maxPromptLength.disabled) ? 'none' : 'table-row';
 }
 
 document.addEventListener('DOMContentLoaded', async () => {