diff --git a/scripts/tweetviewer.js b/scripts/tweetviewer.js
index 1cf837ec..1c1ca1ce 100644
--- a/scripts/tweetviewer.js
+++ b/scripts/tweetviewer.js
@@ -1533,7 +1533,7 @@ class TweetViewer {
         });        
 
         // community notes
-        if(t.birdwatch && options.mainTweet && !vars.hideCommunityNotes) {
+        if(t.birdwatch && t.birdwatch.subtitle && options.mainTweet && !vars.hideCommunityNotes) {
             let div = document.createElement('div');
             div.classList.add('tweet-birdwatch', 'box');
             let text = Array.from(escapeHTML(t.birdwatch.subtitle.text));