diff --git a/Makefile b/Makefile
index 3e18e5e3e4..52cde438f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 -include awx/ui_next/Makefile
 
 PYTHON := $(notdir $(shell for i in python3.9 python3; do command -v $$i; done|sed 1q))
+SHELL := bash
 DOCKER_COMPOSE ?= docker-compose
 OFFICIAL ?= no
 NODE ?= node
diff --git a/pre-commit.sh b/pre-commit.sh
index f6f1504c9c..003106216b 100755
--- a/pre-commit.sh
+++ b/pre-commit.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 if [ -z $AWX_IGNORE_BLACK ] ; then
 	python_files_changed=$(git diff --cached --name-only --diff-filter=AM | grep -E '\.py$')
 	if [ "x$python_files_changed" != "x" ] ; then