diff --git a/bigbluebutton-html5/imports/ui/components/poll/live-result/component.jsx b/bigbluebutton-html5/imports/ui/components/poll/live-result/component.jsx
index 065fd58588..ba41a4ff24 100644
--- a/bigbluebutton-html5/imports/ui/components/poll/live-result/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/poll/live-result/component.jsx
@@ -73,6 +73,7 @@ class LiveResult extends PureComponent {
       : [...users];
 
     userAnswers = userAnswers.map(id => usernames[id])
+      .filter((user) => user)
       .map((user) => {
         let answer = '';