diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
index d4d66c9b0385bb..f36d77b2fc3ba7 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/java_stub_template.txt
@@ -1,4 +1,4 @@
-#!/bin/bash --posix
+#!/usr/bin/env bash
 # Copyright 2014 The Bazel Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -44,6 +44,8 @@
 #
 # The remainder of the command line is passed to the program.
 
+set -o posix
+
 # Make it easy to insert 'set -x' or similar commands when debugging problems with this script.
 eval "$JAVA_STUB_DEBUG"