diff --git a/scripts/ssh b/scripts/ssh
index 8c15091d..d11fc688 100755
--- a/scripts/ssh
+++ b/scripts/ssh
@@ -3,4 +3,6 @@ set -e
 
 cd $(dirname $0)/..
 
+chmod 0600 ./assets/rancher.key
+
 exec ssh -p 2222 -F ./assets/scripts_ssh_config -i ./assets/rancher.key rancher@localhost "$@"