diff --git a/.github/workflows/setup_git.sh b/.github/workflows/setup_git.sh
index e319e07512..4eb416720b 100755
--- a/.github/workflows/setup_git.sh
+++ b/.github/workflows/setup_git.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/bash -e
 git config --global user.email "spack@example.com"
 git config --global user.name "Test User"