diff --git a/successor/pkg/debian/postinst b/successor/pkg/debian/postinst
index da7de0d..11fad2c 100644
--- a/successor/pkg/debian/postinst
+++ b/successor/pkg/debian/postinst
@@ -1,4 +1,6 @@
-#!/bin/sh -ex
+#!/bin/sh -e
+
+set -x
 
 case "$1" in
 upgrade|remove)