diff --git a/advanced/pihole-FTL-prestart.sh b/advanced/pihole-FTL-prestart.sh
index 884975b3..f3c9352c 100644
--- a/advanced/pihole-FTL-prestart.sh
+++ b/advanced/pihole-FTL-prestart.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 /bin/touch /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port /var/log/pihole.log
 /bin/mkdir -p /var/run/pihole /var/log/pihole
 /bin/chown pihole:pihole /var/run/pihole /var/log/pihole