diff --git a/scripts/completions.bash b/scripts/completions.bash
index c24f3d257..36cb01f15 100644
--- a/scripts/completions.bash
+++ b/scripts/completions.bash
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 # bash completion for helm                                 -*- shell-script -*-
 
 __debug()