diff --git a/completion/available/tmux.completion.bash b/completion/available/tmux.completion.bash
index e8ee5e7..c872ec5 100644
--- a/completion/available/tmux.completion.bash
+++ b/completion/available/tmux.completion.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # tmux completion
 # See: http://www.debian-administration.org/articles/317 for how to write more.