From d97a61940615e5421fd2c96bf38e0de70998844a Mon Sep 17 00:00:00 2001
From: Nathan McKinley <nmckinley@google.com>
Date: Thu, 24 Oct 2019 23:01:58 +0000
Subject: [PATCH] If certificate_id is unset, it should not cause a diff.

Signed-off-by: Modular Magician <magic-modules@google.com>
---
 google/resource_app_engine_domain_mapping.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/google/resource_app_engine_domain_mapping.go b/google/resource_app_engine_domain_mapping.go
index e97c364ccb9..633489a5569 100644
--- a/google/resource_app_engine_domain_mapping.go
+++ b/google/resource_app_engine_domain_mapping.go
@@ -78,6 +78,7 @@ func resourceAppEngineDomainMapping() *schema.Resource {
 					Schema: map[string]*schema.Schema{
 						"certificate_id": {
 							Type:     schema.TypeString,
+							Computed: true,
 							Optional: true,
 						},
 						"ssl_management_type": {