diff --git a/make_usd_card.sh b/make_usd_card.sh
index c4966d8..5de3412 100755
--- a/make_usd_card.sh
+++ b/make_usd_card.sh
@@ -25,6 +25,7 @@ LINUX_VERSION=${LINUX_VERSION:-"latest"}
 SLACKWARE_VERSION=${SLACKWARE_VERSION:-"current"}
 SLACKWARE_MINIROOTFS_VERSION=${SLACKWARE_MINIROOTFS_VERSION:-"30Aug18"}
 
+SSH_PUB_KEY=${SSH_PUB_KEY:-~/.ssh/id_ed25519.pub}
 
 echo "Going further will wipe ${SD_DEV} and you _will_ lose all data on it !"
 echo "/!\\ LAST CHANCE TO HIT Ctrl-C /!\\"
@@ -75,6 +76,9 @@ EOF
 
 cp $CWD/pine64-kernel.SlackBuild $SD_MOUNT_POINT/root
 
+mkdir -p $SD_MOUNT_POINT/root/.ssh/
+cp $SSH_PUB_KEY $SD_MOUNT_POINT/root/.ssh/authorized_keys
+
 umount $SD_MOUNT_POINT/bootenv
 umount $SD_MOUNT_POINT
 sync