diff --git a/src/calls-notifier.c b/src/calls-notifier.c
index 960b8a1..8de3d4e 100644
--- a/src/calls-notifier.c
+++ b/src/calls-notifier.c
@@ -59,7 +59,7 @@ notify (CallsNotifier *self, CuiCall *call)
   gboolean got_id;
   gboolean got_contact;
 
-  g_notification_set_category (notification, "x-gnome.call.unanswered");
+  g_notification_set_category (notification, "call.unanswered");
   /* TODO: We need to update the notification when the contact name changes
      We would need to resend the notification in this case, as changing the properties
      after having called g_application_send_notification() will have no effect.