Fix bogus bash binary location
diff --git a/themes/hawaii50/hawaii50.theme.bash b/themes/hawaii50/hawaii50.theme.bash
index 0b1fe3b..b693750 100644
--- a/themes/hawaii50/hawaii50.theme.bash
+++ b/themes/hawaii50/hawaii50.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # This theme was obviously inspired a lot by 
 #