diff --git a/web/chat/chat-thread-list.css b/web/chat/chat-thread-list.css
--- a/web/chat/chat-thread-list.css
+++ b/web/chat/chat-thread-list.css
@@ -74,6 +74,8 @@
 }
 span.breadCrumb {
   padding-right: 4px;
+  white-space: nowrap;
+  text-overflow: ellipsis;
 }
 
 span.breadCrumb svg {