diff --git a/core/rosbuild/bin/rosgcov b/core/rosbuild/bin/rosgcov
index 47f188a2..e87db892 100755
--- a/core/rosbuild/bin/rosgcov
+++ b/core/rosbuild/bin/rosgcov
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # A helper script to invoke gcov from CMake, which seems to have problems
 # with pipes inside an add_custom_target()
diff --git a/core/rosbuild/bin/rosmakeall b/core/rosbuild/bin/rosmakeall
index e1678a98..04d8a22a 100755
--- a/core/rosbuild/bin/rosmakeall
+++ b/core/rosbuild/bin/rosmakeall
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [ $# == 0 ]; then
   targetname=all
diff --git a/tools/rosbash/scripts/rosrun b/tools/rosbash/scripts/rosrun
index 0506b961..fe4d7166 100755
--- a/tools/rosbash/scripts/rosrun
+++ b/tools/rosbash/scripts/rosrun
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 if [ $# -lt 2 ]; then
   echo "Usage: rosrun PACKAGE EXECUTABLE [ARGS]"
   echo "  rosrun will locate PACKAGE and try to find"