diff --git a/examples/server/public_simplechat/simplechat.html b/examples/server/public_simplechat/simplechat.html
index 1e82740f6..908bd74bd 100644
--- a/examples/server/public_simplechat/simplechat.html
+++ b/examples/server/public_simplechat/simplechat.html
@@ -3,6 +3,7 @@
     <head>
         <title>Simple LlamaCPP Chat</title>
         <meta charset="UTF-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
         <meta name="message" content="Save Nature Save Earth" />
         <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" />
