diff --git a/docker/finetestserver.rc b/docker/finetestserver.rc
index a8387e9..51f1e47 100644
--- a/docker/finetestserver.rc
+++ b/docker/finetestserver.rc
@@ -1 +1,2 @@
+#!/bin/bash
 finetestserver_bin=/opt/linux-minetest-kit/minetest/bin/finetestserver