From 83dc0a7c8b3c94fafa657acf5b7b517732b0b4aa Mon Sep 17 00:00:00 2001
From: Megan Marsh <megan@hashicorp.com>
Date: Wed, 15 Jan 2020 14:27:55 -0800
Subject: [PATCH] fix config decode

---
 builder/null/config.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builder/null/config.go b/builder/null/config.go
index 79ed530b4..aa39b1163 100644
--- a/builder/null/config.go
+++ b/builder/null/config.go
@@ -20,7 +20,7 @@ type Config struct {
 
 func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
 
-	err := config.Decode(&c, &config.DecodeOpts{
+	err := config.Decode(c, &config.DecodeOpts{
 		Interpolate:       true,
 		InterpolateFilter: &interpolate.RenderFilter{},
 	}, raws...)