diff --git a/completion/available/fabric-completion.bash b/completion/available/fabric-completion.bash
index a4aa90f..7809b38 100644
--- a/completion/available/fabric-completion.bash
+++ b/completion/available/fabric-completion.bash
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Bash completion support for Fabric (http://fabfile.org/)
 #