diff --git a/pkgs/clan-vm-manager/demo.sh b/pkgs/clan-vm-manager/demo.sh
index 1bf57357..48a4830e 100755
--- a/pkgs/clan-vm-manager/demo.sh
+++ b/pkgs/clan-vm-manager/demo.sh
@@ -1,21 +1,29 @@
 #!/usr/bin/env bash
 
+set -eux -o pipefail
+
 rm -r ~/.config/clan
 
-clan history add "clan://~/Projects/democlan#syncthing-peer1"
-clan history add "clan://~/Projects/democlan#syncthing-peer2"
+if [ -z "$1" ]; then
+  echo "Usage: $0 <democlan>"
+  exit 1
+fi
 
-clan history add "clan://~/Projects/democlan#moonlight-peer1"
-clan history add "clan://~/Projects/democlan#moonlight-peer2"
+democlan="$1"
+
+clan history add "clan://$democlan#syncthing-peer1"
+clan history add "clan://$democlan#syncthing-peer2"
+
+clan history add "clan://$democlan#moonlight-peer1"
+clan history add "clan://$democlan#moonlight-peer2"
 
 clear
 cat << EOF
 Open up this link in a browser:
-"clan://~/Projects/democlan#syncthing-introducer"
+"clan://$democlan#syncthing-introducer"
 EOF
 
-
 cat << EOF
 Execute this command to show waypipe windows:
-$ clan --flake ~/Projects/democlan/ vms run --wayland wayland
+$ clan --flake $democlan vms run --wayland wayland
 EOF