diff --git a/advanced/pihole-FTL.service b/advanced/pihole-FTL.service
index 6e1a9786..da04738b 100644
--- a/advanced/pihole-FTL.service
+++ b/advanced/pihole-FTL.service
@@ -28,7 +28,7 @@ start() {
     touch /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port
     chown pihole:pihole /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port
     chmod 0644 /var/log/pihole-FTL.log /run/pihole-FTL.pid /run/pihole-FTL.port
-    su -c "/usr/bin/pihole-FTL" "$FTLUSER"
+    su -s /bin/sh -c "/usr/bin/pihole-FTL" "$FTLUSER"
     echo
   fi
 }