diff --git a/lib/reducers/message-reducer.js b/lib/reducers/message-reducer.js
--- a/lib/reducers/message-reducer.js
+++ b/lib/reducers/message-reducer.js
@@ -143,7 +143,9 @@
     threadIsPending(threadID) ||
     (threadInfo &&
       threadHasPermission(threadInfo, threadPermissions.VISIBLE) &&
-      (threadInChatList(threadInfo) || watchedIDs.includes(threadID)))
+      (threadInChatList(threadInfo) ||
+        watchedIDs.includes(threadID) ||
+        threadTypeIsThick(threadInfo.type)))
   );
 }