diff --git a/debian/helper-script/ibombshell b/debian/helper-script/ibombshell
index 7a90b73..52c271a 100755
--- a/debian/helper-script/ibombshell
+++ b/debian/helper-script/ibombshell
@@ -1,6 +1,6 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 set -e
 
-cd /usr/share/ibombshell/ibombshell\ c2
+cd /usr/share/ibombshell/ibombshell\ c2/
 exec python3 ibombshell.py "$@"