diff --git a/On-MacVim-with-iTerm2.md b/On-MacVim-with-iTerm2.md
index babed7e..5403f8c 100644
--- a/On-MacVim-with-iTerm2.md
+++ b/On-MacVim-with-iTerm2.md
@@ -7,6 +7,8 @@ To open fzf from MacVim in a new iTerm2 window, create an executable script with
 The Applescript API for iTerm2 has changed with version 3.0. This updated script works for me:
 
 ```bash
+#!/bin/bash
+
 # update for iterm2 3.0+
 osascript -e \
 'on run argv