diff --git a/config/updateall/scripts/50-docker b/config/updateall/scripts/50-docker
index 2f6bba8..01600d9 100755
--- a/config/updateall/scripts/50-docker
+++ b/config/updateall/scripts/50-docker
@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/bin/sh
 
 [ "$(whoami)" != root ] && exec sudo "$0" "$@"