diff --git a/ui/component/sideNavigation/view.jsx b/ui/component/sideNavigation/view.jsx
index ca74b1dc6..1afa7470e 100644
--- a/ui/component/sideNavigation/view.jsx
+++ b/ui/component/sideNavigation/view.jsx
@@ -254,7 +254,7 @@ function SideNavigation(props: Props) {
   const [subscriptionFilter, setSubscriptionFilter] = React.useState('');
 
   const filteredSubscriptions = subscriptions.filter(
-    (sub) => !subscriptionFilter || sub.channelName.toLowerCase().includes(subscriptionFilter)
+    (sub) => !subscriptionFilter || sub.channelName.toLowerCase().includes(subscriptionFilter.toLowerCase())
   );
 
   let displayedSubscriptions = filteredSubscriptions;