diff --git a/themes/simple/simple.theme.bash b/themes/simple/simple.theme.bash
index 2dcd7e7..39e16a1 100644
--- a/themes/simple/simple.theme.bash
+++ b/themes/simple/simple.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # prompt themeing