diff --git a/install.sh b/install.sh
index cb3117a..906336f 100644
--- a/install.sh
+++ b/install.sh
@@ -371,9 +371,12 @@ locale="en_US.UTF-8"
 timezone="Europe/Berlin"
 
 cat << EOF > "${service_dir}/install.conf"
+[Unit]
+ConditionFirstBoot=
+
 [Service]
 ExecStart=
-ExecStart=/usr/bin/systemd-firstboot --root="${rootdir}" --keymap="${keymap}" --locale="${locale}" --timezone="${timezone}" --hostname="${host}"
+ExecStart=/usr/bin/systemd-firstboot --root="${rootdir}" --keymap="${keymap}" --locale="${locale}" --timezone="${timezone}" --hostname="${host}" --force
 
 [Install]
 WantedBy=sysinit.target