--- libbeat/scripts/Makefile.orig	2018-02-01 16:56:52.000000000 +0100
+++ libbeat/scripts/Makefile	2018-02-07 12:53:00.911420000 +0100
@@ -27,7 +27,7 @@
 GOFILES_NOVENDOR = $(shell find . -type f -name '*.go' -not -path "*/vendor/*")
 GOFILES_ALL = $(GOFILES) $(shell find $(ES_BEATS) -type f -name '*.go')
 GOPACKAGES_STRESSTESTS=$(shell find . -name '*.go' | xargs awk 'FNR>1 {nextfile} /\+build.*stresstest/ {print FILENAME; nextfile}' | xargs dirname | uniq)
-SHELL=bash
+SHELL=sh
 ES_HOST?="elasticsearch"
 PWD=$(shell pwd)
 BUILD_DIR?=$(shell pwd)/build