From d2d07543b2a3d46fbc2f100ef94c60e816a1f139 Mon Sep 17 00:00:00 2001
From: Mike <7153163+hackbar@users.noreply.github.com>
Date: Tue, 15 Jan 2019 17:26:51 -0800
Subject: [PATCH] Do an MDNS resolve before using the cached host.

MDNS shouldn't be aggressively cached, since the IP could change. This
makes using DHCP for the host a lot easier.
---
 sonoff/xdrv_02_mqtt.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sonoff/xdrv_02_mqtt.ino b/sonoff/xdrv_02_mqtt.ino
index 1d3c3a4b8..ae84d1940 100644
--- a/sonoff/xdrv_02_mqtt.ino
+++ b/sonoff/xdrv_02_mqtt.ino
@@ -516,7 +516,7 @@ void MqttReconnect(void)
 #ifndef USE_MQTT_TLS
 #ifdef USE_DISCOVERY
 #ifdef MQTT_HOST_DISCOVERY
-  if (!strlen(Settings.mqtt_host) && !MqttDiscoverServer()) { return; }
+  if (!MqttDiscoverServer() && !strlen(Settings.mqtt_host)) { return; }
 #endif  // MQTT_HOST_DISCOVERY
 #endif  // USE_DISCOVERY
 #endif  // USE_MQTT_TLS