diff --git a/postinstall_partage.sh b/postinstall_partage.sh
index cdf30704e656683279599da5d145ae8515be2c78..d4a47273c930a493a6e2636c54c1f8c14154d92e 100755
--- a/postinstall_partage.sh
+++ b/postinstall_partage.sh
@@ -42,3 +42,6 @@ done
 
 line="0 1 1 * * $DIR/registry/scripts/clean.sh > /dev/null 2>&1"
 (crontab -l; echo "${line}") | crontab -
+
+# Copy ssh key to tftp
+cp ~/.ssh/id_rsa.pub /var/lib/tftpboot/ltsp/id_rsa.pub