diff --git a/keyserver/src/responders/farcaster-webhook-responders.js b/keyserver/src/responders/farcaster-webhook-responders.js
--- a/keyserver/src/responders/farcaster-webhook-responders.js
+++ b/keyserver/src/responders/farcaster-webhook-responders.js
@@ -59,9 +59,13 @@
     return null;
   }
 
-  const castAuthor = sidebarCast.author.username;
+  const {
+    author: { username: castAuthor },
+    text: castText,
+  } = sidebarCast;
+
   const channelText = channelName ? ` in channel ${channelName}` : '';
-  const messageText = `${castAuthor} said "${sidebarCast.text}"${channelText}`;
+  const messageText = `${castAuthor} said "${castText}"${channelText}`;
 
   let viewer = commbotViewer;
   if (taggerUserID) {