From b6f8934b2cc97c01b52fd6d60282284d8e686915 Mon Sep 17 00:00:00 2001
From: Dana Hoffman <danahoffman@google.com>
Date: Thu, 2 Feb 2017 17:37:03 -0800
Subject: [PATCH] provider/google: only set additional zones on read if it had
 been set in the config

---
 resource_container_cluster.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/resource_container_cluster.go b/resource_container_cluster.go
index 19ab48a9..07e679c1 100644
--- a/resource_container_cluster.go
+++ b/resource_container_cluster.go
@@ -444,7 +444,10 @@ func resourceContainerClusterRead(d *schema.ResourceData, meta interface{}) erro
 
 	d.Set("name", cluster.Name)
 	d.Set("zone", cluster.Zone)
-	d.Set("additional_zones", cluster.Locations)
+
+	if _, ok := d.GetOk("additional_zones"); ok {
+		d.Set("additional_zones", cluster.Locations)
+	}
 	d.Set("endpoint", cluster.Endpoint)
 
 	masterAuth := []map[string]interface{}{