1 files changed, 10 insertions, 1 deletions
diff --git a/cli/onionshare_cli/resources/static/js/chat.js b/cli/onionshare_cli/resources/static/js/chat.js
index 258b020b..97b14e3e 100644
--- a/cli/onionshare_cli/resources/static/js/chat.js
+++ b/cli/onionshare_cli/resources/static/js/chat.js
@@ -88,7 +88,7 @@ var emitMessage = function (socket) {
 
 var updateUsername = function (socket) {
   var username = $('#username').val();
-  if (!checkUsernameExists(username)) {
+  if (!checkUsernameExists(username) && !checkUsernameLength(username)) {
     $.ajax({
       method: 'POST',
       url: `http://${document.domain}:${location.port}/update-session-username`,
@@ -133,6 +133,15 @@ var checkUsernameExists = function (username) {
   return false;
 }
 
+var checkUsernameLength = function (username) {
+  $('#username-error').text('');
+  if (username.length > 128) {
+    $('#username-error').text('Please choose a shorter username.');
+    return true;
+  }
+  return false;
+}
+
 var getScrollDiffBefore = function () {
   return $('#chat').scrollTop() - ($('#chat')[0].scrollHeight - $('#chat')[0].offsetHeight);
 }