diff --git a/install.sh b/install.sh
index d093d43..a4ea759 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #Copyright Joel Schaerer 2008, 2009
 #This file is part of autojump
 
diff --git a/install.zsh b/install.zsh
index 4d65da8..f372054 100755
--- a/install.zsh
+++ b/install.zsh
@@ -1,4 +1,4 @@
-#! /bin/zsh
+#!/usr/bin/env zsh
 #Copyright Joel Schaerer 2008, 2009
 #This file is part of autojump