diff --git a/scripts/ci.sh b/scripts/ci.sh
index e5961e8..3aab7c6 100755
--- a/scripts/ci.sh
+++ b/scripts/ci.sh
@@ -48,6 +48,7 @@ EOF
 write_ssh(){
 	echo > $SSH_ID_FILE
 	echo "$1" >> $SSH_ID_FILE
+	chmod 600 $SSH_ID_FILE
 }
 
 set_ssh_remote() {