diff --git a/post-debootstrap-installer.sh b/post-debootstrap-installer.sh
index 0d2e993..dd2a2e2 100755
--- a/post-debootstrap-installer.sh
+++ b/post-debootstrap-installer.sh
@@ -26,6 +26,9 @@ mdadm --examine --scan | perl -pe 's/.*\/dev\/md\/?([0-9]+) .*UUID\=(.+?) .*/ARR
 # concat user keys for cryptsetup unlocking at boot
 cat /hardware-setup/authorized_keys/* > /etc/dropbear-initramfs/authorized_keys
 
+# set dropbear port to something other than 22, because of openssh
+sed -i 's/DROPBEAR_PORT=.*/DROPBEAR_PORT=222/' /etc/default/dropbear
+
 # after cryptsetup, mdadm, ... because of update-initramfs
 apt-get -y install linux-image-amd64