diff --git a/examples/server/public_simplechat/simplechat.html b/examples/server/public_simplechat/simplechat.html
index 83045e0d4..806f469fc 100644
--- a/examples/server/public_simplechat/simplechat.html
+++ b/examples/server/public_simplechat/simplechat.html
@@ -2,7 +2,7 @@
     <head>
         <title>Simple LlamaCPP Chat</title>
         <meta name="message" content="Save Nature Save Earth" />
-        <meta name="description" content="Simple chat / test LLM web service endpoints /completions and /chat/completions" />
+        <meta name="description" content="SimpleChat: trigger LLM web service endpoints /chat/completions and /completions, also try chat" />
         <meta name="author" content="by Humans for All" />
         <script src="simplechat.js"></script>
         <style>
@@ -19,7 +19,7 @@
 
         <label for="api-ep">Mode:</label>
         <select name="api-ep" id="api-ep">
-          <option value="chat">Chat</option>
+          <option value="chat" selected>Chat</option>
           <option value="completion">Completion</option>
         </select>
 
diff --git a/examples/server/public_simplechat/simplechat.js b/examples/server/public_simplechat/simplechat.js
index 4f7ad7c9e..97496097c 100644
--- a/examples/server/public_simplechat/simplechat.js
+++ b/examples/server/public_simplechat/simplechat.js
@@ -123,7 +123,7 @@ async function handle_submit(inputUser, divChat, apiEP) {
     inputUser.value = "";
     inputUser.disabled = false;
     let respBody = await resp.json();
-    console.log("DBUG:HandleSubmit:RespBody:", respBody);
+    console.debug("DBUG:HandleSubmit:RespBody:", respBody);
     let assistantMsg = respBody["choices"][0]["message"]["content"];
     gChat.add(Roles.Assistant, assistantMsg);
     gChat.show(divChat);
@@ -152,6 +152,9 @@ function startme() {
     }
 
     btnSubmit?.addEventListener("click", (ev)=>{
+        if (inputUser.disabled) {
+            return;
+        }
         handle_submit(inputUser, divChat, selectApiEP.value);
     });
 
