From fc0c2c0ea784b32786922f88dad8a40dc80b71d0 Mon Sep 17 00:00:00 2001
From: Raphael Randschau <nicolai86@me.com>
Date: Sun, 13 Mar 2016 08:58:14 +0100
Subject: [PATCH] Validate number of load_balancers

see #5336
---
 builtin/providers/aws/resource_aws_ecs_service.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/builtin/providers/aws/resource_aws_ecs_service.go b/builtin/providers/aws/resource_aws_ecs_service.go
index aa629829b465..656167485642 100644
--- a/builtin/providers/aws/resource_aws_ecs_service.go
+++ b/builtin/providers/aws/resource_aws_ecs_service.go
@@ -71,6 +71,7 @@ func resourceAwsEcsService() *schema.Resource {
 				Type:     schema.TypeSet,
 				Optional: true,
 				ForceNew: true,
+				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"elb_name": &schema.Schema{