diff --git a/install/usr/share/swarmlab.io/sec/sec_bootstrap b/install/usr/share/swarmlab.io/sec/sec_bootstrap
index a2b3c41..883b0e7 100755
--- a/install/usr/share/swarmlab.io/sec/sec_bootstrap
+++ b/install/usr/share/swarmlab.io/sec/sec_bootstrap
@@ -47,7 +47,7 @@ case $ROLE in
         auto_update_hosts "${HOSTNAMES}" > /dev/null 2>&1 &
 
 	   
-	ttyd -p 3787 bash
+	ttyd -p 3787 sh
            tail -f /dev/null
 
         # Start ssh server