diff --git a/examples/rtt/web.html b/examples/rtt/web.html
index 3de0878..8f24b5b 100644
--- a/examples/rtt/web.html
+++ b/examples/rtt/web.html
@@ -120,12 +120,10 @@
             const printable = !ev.altKey && !ev.ctrlKey && !ev.metaKey;
 
             if (ev.keyCode === 13) { // process newline
-                if (line_input.length) {
-                    term.write('\r\n');
-                    cmd = line_input;
-                    console.log('sending: \"' + line_input + '\"');
-                    line_input = "";
-                }
+                term.write('\r\n');
+                cmd = line_input + "\r\n";
+                console.log('sending: \"' + line_input + '\"');
+                line_input = "";
             } else if (ev.keyCode === 8) { // process backspace
                 if (term._core.buffer.x > 0) {
                     term.write('\b \b');
@@ -164,7 +162,7 @@
                 
                 // send to target
                 if (cmd.length) {
-                    cmdBytes = new TextEncoder().encode(cmd + "\r\n");
+                    cmdBytes = new TextEncoder().encode(cmd);
                     ret = await rtt.write(0, cmdBytes);
                     if (ret < 0)
                         console.log("cannot write", cmdBytes, "chars");