diff --git a/client/ui/tray_events.go b/client/ui/tray_events.go
index 62f696886..8172e7060 100644
--- a/client/ui/tray_events.go
+++ b/client/ui/tray_events.go
@@ -53,7 +53,7 @@ func (t *Tray) onSystemEvent(ev *application.CustomEvent) {
 		return
 	}
 
-	critical := se.Severity == "critical"
+	critical := strings.EqualFold(se.Severity, "critical")
 	t.profileMu.Lock()
 	enabled := t.notificationsEnabled
 	t.profileMu.Unlock()