diff --git a/stylesheets/_modules.scss b/stylesheets/_modules.scss
index ee97bdf7a..1f433c904 100644
--- a/stylesheets/_modules.scss
+++ b/stylesheets/_modules.scss
@@ -3264,6 +3264,7 @@
 .module-left-pane__list {
   flex-grow: 1;
   flex-shrink: 1;
+  overflow-y: auto;
 }
 
 .module-left-pane__virtual-list {