Fix bogus bash binary location
diff --git a/themes/bobby/bobby.theme.bash b/themes/bobby/bobby.theme.bash
index 4d15010..308b412 100644
--- a/themes/bobby/bobby.theme.bash
+++ b/themes/bobby/bobby.theme.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 SCM_THEME_PROMPT_DIRTY=" ${red}✗"
 SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓"
 SCM_THEME_PROMPT_PREFIX=" |"