diff --git a/bin/muttimage b/bin/muttimage
index c798293..a846bea 100755
--- a/bin/muttimage
+++ b/bin/muttimage
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #get image resolution
 resolution=$(identify $1 | awk '{print $3}')
 IFS='x' # x is set as delimiter
-read -ra ADDR <<< "$resolution" 
+read -ra ADDR <<< "$resolution"
 width=${ADDR[0]}
 height=${ADDR[1]}
 
diff --git a/bin/mw b/bin/mw
index 5e03606..99c640e 100755
--- a/bin/mw
+++ b/bin/mw
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 command -V gpg >/dev/null 2>&1 && GPG="gpg" || GPG="gpg2"
 [ -z ${PASSWORD_STORE_DIR+x} ] && PASSWORD_STORE_DIR="$HOME/.password-store"
 [ -r "$PASSWORD_STORE_DIR/.gpg-id" ] &&
diff --git a/bin/openfile b/bin/openfile
index e530b3e..b16483b 100755
--- a/bin/openfile
+++ b/bin/openfile
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 # Helps open a file with xdg-open from mutt in a external program without weird side effects.
 [ $(uname) = "Darwin" ] && opener="open" || opener="setsid xdg-open"
 mkdir -p "/tmp/$USER-mutt-tmp"