diff --git a/containers/mikrotik-tailscale/start-tailscale.sh b/containers/mikrotik-tailscale/start-tailscale.sh
index 81ef3ce..6d3dc05 100644
--- a/containers/mikrotik-tailscale/start-tailscale.sh
+++ b/containers/mikrotik-tailscale/start-tailscale.sh
@@ -25,11 +25,22 @@ esac
 # Initialize and start Tailscale
 tailscaled > /dev/null 2>&1 &
 sleep 5
-tailscale up ${up}
+if [ -n "${up}" ]; then
+  tailscale up ${up}
+fi
 if [ -n "${set}" ]; then
   tailscale set ${set}
 fi
 
+if [ -z "${up}" ] && [ -z "${set}" ] && [ -z "${nat}" ]; then
+  echo "No 'up' or 'set' options provided"
+  echo "Use /container/shell CONTAINER to access the shell of this container"
+  echo "I hope you use a mountpoint for /var/lib/tailscale for persistence"
+  echo "Uncomment the line below to run iptables -t nat -A POSTROUTING -o tailscale0 -j MASQUERADE if you need NAT"
+  # iptables -t nat -A POSTROUTING -o tailscale0 -j MASQUERADE
+fi
+
+
 while true; do
   tailscale netcheck
   sleep 600