diff --git a/scripts/liminix-rebuild.sh b/scripts/liminix-rebuild.sh
index cf8e100..f07cc12 100755
--- a/scripts/liminix-rebuild.sh
+++ b/scripts/liminix-rebuild.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
+set -Eeuo pipefail
 
 ssh_command=${SSH_COMMAND-ssh}
+root_prefix=${ROOT_PREFIX-/}
 
 reboot="reboot"
 
@@ -24,9 +26,10 @@ if [ -z "$target_host" ] ; then
 fi
 
 if toplevel="$(nom-build $(colmena eval -E "{ nodes, ... }: nodes.$@.config.system.outputs.systemConfiguration" --instantiate))"; then
-    echo systemConfiguration $toplevel
-    min-copy-closure $target_host $toplevel
-    $ssh_command $target_host $toplevel/bin/install
+    echo systemConfiguration $toplevel aimed at $root_prefix
+    sleep 3
+    min-copy-closure --root "$root_prefix" $target_host $toplevel
+    $ssh_command $target_host "$root_prefix/$toplevel/bin/install" "$root_prefix"
     case "$reboot" in
 	reboot)
 	    $ssh_command $target_host "sync; source /etc/profile; reboot"