diff --git a/docker/root/etc/s6/openssh/setup b/docker/root/etc/s6/openssh/setup
index f8ef816a9566..10d195b74f70 100755
--- a/docker/root/etc/s6/openssh/setup
+++ b/docker/root/etc/s6/openssh/setup
@@ -24,6 +24,13 @@ if [ ! -f /data/ssh/ssh_host_ecdsa_key ]; then
     ssh-keygen -t ecdsa -b 256 -f /data/ssh/ssh_host_ecdsa_key -N "" > /dev/null
 fi
 
+if [ -d /etc/ssh ]; then
+    SSH_PORT=${SSH_PORT:-"22"} \
+    envsubst < /etc/templates/sshd_config > /etc/ssh/sshd_config
+
+    chmod 0644 /etc/ssh/sshd_config
+fi
+
 chown root:root /data/ssh/*
 chmod 0700 /data/ssh
 chmod 0600 /data/ssh/*
diff --git a/docker/root/etc/ssh/sshd_config b/docker/root/etc/templates/sshd_config
similarity index 93%
rename from docker/root/etc/ssh/sshd_config
rename to docker/root/etc/templates/sshd_config
index 6af082c419e6..ba92e236e171 100644
--- a/docker/root/etc/ssh/sshd_config
+++ b/docker/root/etc/templates/sshd_config
@@ -1,4 +1,4 @@
-Port 22
+Port ${SSH_PORT}
 Protocol 2
 
 AddressFamily any