diff --git a/install/usr/share/swarmlab.io/sec/sec_bootstrap b/install/usr/share/swarmlab.io/sec/sec_bootstrap
index bd46171..dc9c6c0 100755
--- a/install/usr/share/swarmlab.io/sec/sec_bootstrap
+++ b/install/usr/share/swarmlab.io/sec/sec_bootstrap
@@ -48,7 +48,7 @@ case $ROLE in
 	#firefox
         # /root/start-nginx.sh
         # Start ssh server
-	ttyd -p 3787 bash &
+	/usr/bin/ttyd -p 3787 bash &
 	node /usr/local/share/file-manager/index.js
         tail -f /dev/null
         #/usr/sbin/sshd -D