diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 5611b75210208cd3594922ede88f7c13c393cf3f..8634ce6771421c203e82ebd9fd90aa4bb2d24930 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -332,6 +332,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
 		return xfrm_dev_feat_change(dev);
 
 	case NETDEV_DOWN:
+	case NETDEV_UNREGISTER:
 		return xfrm_dev_down(dev);
 	}
 	return NOTIFY_DONE;