diff --git a/src/loadgenerator/loadgen.sh b/src/loadgenerator/loadgen.sh
index 514174e..2a68db7 100755
--- a/src/loadgenerator/loadgen.sh
+++ b/src/loadgenerator/loadgen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash -eu
+#!/bin/sh -eu
 #
 # Copyright 2018 Google LLC
 #