Fix bogus bash binary location
diff --git a/themes/tylenol/tylenol.theme.bash b/themes/tylenol/tylenol.theme.bash
index d8b63ef..4c88e21 100644
--- a/themes/tylenol/tylenol.theme.bash
+++ b/themes/tylenol/tylenol.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Based on 'bobby' theme with the addition of virtualenv_prompt
 #