From 63afc0e36826da2bbcd1ebfddb96d6e1e8a261f2 Mon Sep 17 00:00:00 2001
From: Jochen Rauschenbusch <jochen.rauschenbusch@gmail.com>
Date: Mon, 25 May 2020 20:50:51 +0200
Subject: [PATCH] Update
 azurerm/internal/services/eventgrid/eventgrid_event_subscription_resource.go

Co-authored-by: Tom Harvey <tombuildsstuff@users.noreply.github.com>
---
 .../services/eventgrid/eventgrid_event_subscription_resource.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/azurerm/internal/services/eventgrid/eventgrid_event_subscription_resource.go b/azurerm/internal/services/eventgrid/eventgrid_event_subscription_resource.go
index d85e1e43c894b..6223a24d54817 100644
--- a/azurerm/internal/services/eventgrid/eventgrid_event_subscription_resource.go
+++ b/azurerm/internal/services/eventgrid/eventgrid_event_subscription_resource.go
@@ -1041,7 +1041,7 @@ func flattenEventGridEventSubscriptionSubjectFilter(filter *eventgrid.EventSubsc
 
 func flattenEventGridEventSubscriptionAdvancedFilter(input *eventgrid.EventSubscriptionFilter) []interface{} {
 	results := make([]interface{}, 0)
-	if input == nil {
+	if input == nil || input.AdvancedFilters == nil {
 		return results
 	}