diff --git a/jvb/rootfs/opt/jitsi/shutdown.sh b/jvb/rootfs/opt/jitsi/shutdown.sh
index 7a42791..d780890 100755
--- a/jvb/rootfs/opt/jitsi/shutdown.sh
+++ b/jvb/rootfs/opt/jitsi/shutdown.sh
@@ -1,3 +1,4 @@
-# shutdown everything
+#!/usr/bin/with-contenv bash
 
+# shutdown everything
 s6-svscanctl -t /var/run/s6/services