diff --git a/cabal-testsuite/PackageTests/CCompilerOverride/custom-cc b/cabal-testsuite/PackageTests/CCompilerOverride/custom-cc
index 67a1a91cdb2..fa41c1c4c88 100755
--- a/cabal-testsuite/PackageTests/CCompilerOverride/custom-cc
+++ b/cabal-testsuite/PackageTests/CCompilerOverride/custom-cc
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if which cc >/dev/null 2>&1; then
     cc -DNOERROR6 "${@}"