diff --git a/src/context/notifications.tsx b/src/context/notifications.tsx
index f7b99573..63af695d 100644
--- a/src/context/notifications.tsx
+++ b/src/context/notifications.tsx
@@ -26,7 +26,7 @@ type NotificationsContextType = {
     showNotificationsPanel: () => void
     hideNotificationsPanel: () => void
     markNotificationAsRead: (notification: ServerNotification) => Promise<void>
-    setMessageHandler: (MessageHandler) => void
+    setMessageHandler: (h: MessageHandler) => void
   }
 }