From dc3d4e0a4ff753a6175eec80609c18407a167537 Mon Sep 17 00:00:00 2001
From: Scottpedia <blacksusername@gmail.com>
Date: Sat, 20 Mar 2021 16:24:07 -0400
Subject: [PATCH] fix availability zone selection.

---
 aws/cloudformation-template-ipsec.json | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/aws/cloudformation-template-ipsec.json b/aws/cloudformation-template-ipsec.json
index 1332983..1496752 100644
--- a/aws/cloudformation-template-ipsec.json
+++ b/aws/cloudformation-template-ipsec.json
@@ -431,7 +431,12 @@
                     "Ref": "VpnSubnet"
                 },
                 "AvailabilityZone": {
-                    "Fn::Sub": "${AWS::Region}a"
+                    "Fn::Select": [
+                        "0",
+                        {
+                            "Fn::GetAZs": ""
+                        }
+                    ]
                 },
                 "InstanceType": {
                     "Ref": "InstanceType"