diff --git a/birdnet-pi/rootfs/etc/cont-init.d/81-modifications.sh b/birdnet-pi/rootfs/etc/cont-init.d/81-modifications.sh
index a84b4d16ba5..1e0e0c647e5 100755
--- a/birdnet-pi/rootfs/etc/cont-init.d/81-modifications.sh
+++ b/birdnet-pi/rootfs/etc/cont-init.d/81-modifications.sh
@@ -44,6 +44,10 @@ echo "... redirecting birdnet_log service output to /logs"
 sed -i "/User=pi/d" "$HOME/BirdNET-Pi/templates/birdnet_log.service"
 sed -i "s|birdnet_log.sh|cat /proc/1/fd/1|g" "$HOME/BirdNET-Pi/templates/birdnet_log.service"
 
+# Correct backup script
+echo "... correct backup script"
+sed -i "/PHP_SERVICE=/c PHP_SERVICE=\$(systemctl list-unit-files -t service --no-pager | grep 'php' | grep 'fpm' | awk '{print \$1}')" "$HOME/BirdNET-Pi/scripts/backup_data.sh"
+
 # Caddyfile modifications
 echo "... modifying Caddyfile configurations"
 caddy fmt --overwrite /etc/caddy/Caddyfile