diff --git a/web/modals/chat/message-reactions-modal.css b/web/modals/chat/message-reactions-modal.css
--- a/web/modals/chat/message-reactions-modal.css
+++ b/web/modals/chat/message-reactions-modal.css
@@ -7,6 +7,7 @@
   flex-direction: column;
   font-size: var(--l-font-18);
   gap: 16px;
+  overflow-y: auto;
 }
 
 div.userRowContainer {