diff --git a/app/assets/stylesheets/desktop/topic-timeline.scss b/app/assets/stylesheets/desktop/topic-timeline.scss
index 187d837c98b..e44841a847e 100644
--- a/app/assets/stylesheets/desktop/topic-timeline.scss
+++ b/app/assets/stylesheets/desktop/topic-timeline.scss
@@ -5,6 +5,8 @@
 .composer-open {
   .topic-timeline {
     opacity: 0;
+    pointer-events: none;
+    cursor: default;
   }
 }