diff --git a/scripts/make-spreads.sh b/scripts/make-spreads.sh
index 4f8b30d..eed90d5 100644
--- a/scripts/make-spreads.sh
+++ b/scripts/make-spreads.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 shopt -s nullglob extglob
 
 #----------------------------------------------------------------------