diff --git a/completion/available/rake.completion.bash b/completion/available/rake.completion.bash
index 5793bd0..453354f 100644
--- a/completion/available/rake.completion.bash
+++ b/completion/available/rake.completion.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Bash completion support for Rake, Ruby Make.
 
 export COMP_WORDBREAKS=${COMP_WORDBREAKS/\:/}