diff --git a/scripts/liminix-rebuild.sh b/scripts/liminix-rebuild.sh
index 1e36a84..cf8e100 100755
--- a/scripts/liminix-rebuild.sh
+++ b/scripts/liminix-rebuild.sh
@@ -23,7 +23,7 @@ if [ -z "$target_host" ] ; then
     exit 1
 fi
 
-if toplevel="$@"; then
+if toplevel="$(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