diff --git a/install/usr/share/swarmlab.io/sec/sec_bootstrap b/install/usr/share/swarmlab.io/sec/sec_bootstrap
index 105135d..4fbb14c 100755
--- a/install/usr/share/swarmlab.io/sec/sec_bootstrap
+++ b/install/usr/share/swarmlab.io/sec/sec_bootstrap
@@ -47,6 +47,7 @@ case $ROLE in
         auto_update_hosts "${HOSTNAMES}" > /dev/null 2>&1 &
 	   
 	ttyd -p 3787 bash &
+	chmod 644 /etc/mysql/mariadb.cnf
 	mariadbd --user=root
            tail -f /dev/null