diff --git a/viirb1-2-together.sh b/viirb1-2-together.sh
index b18c4d8..5d1d736 100644
--- a/viirb1-2-together.sh
+++ b/viirb1-2-together.sh
@@ -9,4 +9,6 @@ fi
 id=$1; shift
 
 ./viirb-1-connect-flash-latest-openwrt.sh eth0 192.168.61.1
+# reboot may take longer
+sleep 60
 ./viirb-2-configure-fully-after-upgrade.sh