diff --git a/clean-to.sh b/clean-to.sh
index 493a193..f3bbf22 100755
--- a/clean-to.sh
+++ b/clean-to.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 java -cp mibtex/mibtex-cleaner.jar de.mibtex.BibtexCleaner "literature.bib" -o "$1/literature-cleaned.bib" "${@:2}"
 cp MYabrv.bib $1
 cp MYshort.bib $1