From 7cd3744f70def2cb3a6feaae1e4716ebad236dfa Mon Sep 17 00:00:00 2001
From: Juan Gilsanz Polo <juangilsanz@gmail.com>
Date: Sat, 21 Oct 2023 19:04:58 +0200
Subject: [PATCH] Bug fix

---
 lib/models/dns_info.dart                              | 2 +-
 lib/screens/settings/dns/private_reverse_servers.dart | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/models/dns_info.dart b/lib/models/dns_info.dart
index 67103f7..4e85400 100644
--- a/lib/models/dns_info.dart
+++ b/lib/models/dns_info.dart
@@ -14,7 +14,7 @@ class DnsInfo {
   int? cacheTtlMax;
   bool? cacheOptimistic;
   bool? resolveClients;
-  bool usePrivatePtrResolvers;
+  bool? usePrivatePtrResolvers;
   List<String> localPtrUpstreams;
   String blockingIpv4;
   String blockingIpv6;
diff --git a/lib/screens/settings/dns/private_reverse_servers.dart b/lib/screens/settings/dns/private_reverse_servers.dart
index ea16ea3..eb0f16a 100644
--- a/lib/screens/settings/dns/private_reverse_servers.dart
+++ b/lib/screens/settings/dns/private_reverse_servers.dart
@@ -79,7 +79,7 @@ class _PrivateReverseDnsServersScreenState extends State<PrivateReverseDnsServer
     if (dnsProvider.dnsInfo!.localPtrUpstreams.isNotEmpty) {
       editReverseResolvers = true;
     }
-    usePrivateReverseDnsResolvers = dnsProvider.dnsInfo!.usePrivatePtrResolvers;
+    usePrivateReverseDnsResolvers = dnsProvider.dnsInfo!.usePrivatePtrResolvers ?? false;
     enableReverseResolve = dnsProvider.dnsInfo!.resolveClients ?? false;
     validValues = true;
     super.initState();