diff --git a/web/static/app/main.css b/web/static/app/main.css
index 0ca735a..60512c9 100644
--- a/web/static/app/main.css
+++ b/web/static/app/main.css
@@ -203,6 +203,7 @@ with their icon for Safari only*/
   border-right: 1px solid var(--color-outline-secondary);
   overflow: auto;
   flex: 1 1 auto;
+  flex-basis: 0;
 }
 .panel {
   margin-top: var(--padding);