diff --git a/src/components/Banners/SlackNotificationBanner.tsx b/src/components/Banners/SlackNotificationBanner.tsx
index dfa2ef0038..3e92415060 100644
--- a/src/components/Banners/SlackNotificationBanner.tsx
+++ b/src/components/Banners/SlackNotificationBanner.tsx
@@ -82,9 +82,10 @@ export const SlackNotificationBanner = () => {
     !notifications &&
     (isNotificationSet(patchFirstFailure) || isNotificationSet(patchFinish));
 
-  const showSlackBanner = !hasClosedBanner && !hasSetNotifications;
+  const shouldShowSlackBanner =
+    !defaultSlackUsername && !hasClosedBanner && !hasSetNotifications;
 
-  return showSlackBanner ? (
+  return shouldShowSlackBanner ? (
     <Banner
       variant="info"
       data-cy="slack-notification-banner"