diff --git a/demo/client.ts b/demo/client.ts
index 685f633b0..f9a6f6ff4 100644
--- a/demo/client.ts
+++ b/demo/client.ts
@@ -154,8 +154,8 @@ function runRealTerminal(): void {
    * To run it with UTF8 binary transport, swap comment on
    * the lines below. (Must also be switched in server.js)
    */
-  //term.loadAddon(new AttachAddon(socket));
-  term.loadAddon(new AttachAddon(socket, {inputUtf8: true}));
+  term.loadAddon(new AttachAddon(socket));
+  //term.loadAddon(new AttachAddon(socket, {inputUtf8: true}));
 
   term._initialized = true;
 }
diff --git a/demo/server.js b/demo/server.js
index 718327e42..823dc6c6d 100644
--- a/demo/server.js
+++ b/demo/server.js
@@ -7,7 +7,7 @@ var pty = require('node-pty');
  * Whether to use UTF8 binary transport.
  * (Must also be switched in client.ts)
  */
-const USE_BINARY_UTF8 = true;
+const USE_BINARY_UTF8 = false;
 
 
 function startServer() {