diff --git a/.github/rsync.sh b/.github/rsync.sh
index 4202a40..311dae5 100644
--- a/.github/rsync.sh
+++ b/.github/rsync.sh
@@ -3,12 +3,13 @@
 set -Eeuo pipefail
 set -x
 
-apt-get update -y && apt-get install -y rsync openssh-client keychain
+apt-get update -y && apt-get install -y rsync openssh-client keychain tee
 
 # README.md /tmp/ files.l3d.ch files ./secret_ssh_key
 printf "Add SSH Private Key"
 mkdir ~/.ssh
 chmod 700 ~/.ssh
+cat $5 | sha256sum
 mv $5 ~/.ssh/id_ed25519
 chmod 400 ~/.ssh/id_ed25519
 ssh-keyscan -t ed25519 $3 | tee -a ~/.ssh/known_hosts