From cfafa3f5743a8eeba6222dcce705bb14eb760b3d Mon Sep 17 00:00:00 2001
From: Diego Rodriguez <drodriguez@opengov.com>
Date: Wed, 3 Feb 2016 00:33:42 -0800
Subject: [PATCH] fix ec2 classic security group changing

---
 builtin/providers/aws/resource_aws_db_instance.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builtin/providers/aws/resource_aws_db_instance.go b/builtin/providers/aws/resource_aws_db_instance.go
index 523c89c25..e0cb1776a 100644
--- a/builtin/providers/aws/resource_aws_db_instance.go
+++ b/builtin/providers/aws/resource_aws_db_instance.go
@@ -775,7 +775,7 @@ func resourceAwsDbInstanceUpdate(d *schema.ResourceData, meta interface{}) error
 		requestUpdate = true
 	}
 
-	if d.HasChange("vpc_security_group_ids") {
+	if d.HasChange("security_group_names") {
 		if attr := d.Get("security_group_names").(*schema.Set); attr.Len() > 0 {
 			var s []*string
 			for _, v := range attr.List() {