From 487c312cd383c27022fba6358bb962caf376651e Mon Sep 17 00:00:00 2001
From: Jochen Rauschenbusch <jochen.rauschenbusch@gmail.com>
Date: Fri, 19 Jun 2020 10:11:18 +0200
Subject: [PATCH] add field index check

Co-authored-by: Matthew Frahry <mbfrahry@gmail.com>
---
 azurerm/internal/services/kusto/kusto_cluster_resource.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/azurerm/internal/services/kusto/kusto_cluster_resource.go b/azurerm/internal/services/kusto/kusto_cluster_resource.go
index d9af417a9d7a..249ac93721c5 100644
--- a/azurerm/internal/services/kusto/kusto_cluster_resource.go
+++ b/azurerm/internal/services/kusto/kusto_cluster_resource.go
@@ -329,7 +329,7 @@ func expandKustoClusterSku(d *schema.ResourceData) (*kusto.AzureSku, error) {
 }
 
 func expandKustoClusterVNET(input []interface{}) *kusto.VirtualNetworkConfiguration {
-	if len(input) == 0 {
+	if len(input) == 0 || input[0] == nil {
 		return nil
 	}