diff --git a/app/build.gradle b/app/build.gradle
index 9e19895..5c48860 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -29,7 +29,7 @@ repositories {
 def versionMajor = 0
 def versionMinor = 1
 def versionPatch = 4
-def versionBuild = 3 // bump for dog food builds, public betas, etc.
+def versionBuild = 4 // bump for dog food builds, public betas, etc.
 
 def ALARM_CODE() {
     Properties properties = new Properties()
diff --git a/app/src/main/java/com/thanksmister/iot/voicepanel/network/MQTTOptions.kt b/app/src/main/java/com/thanksmister/iot/voicepanel/network/MQTTOptions.kt
index 635b695..1320763 100644
--- a/app/src/main/java/com/thanksmister/iot/voicepanel/network/MQTTOptions.kt
+++ b/app/src/main/java/com/thanksmister/iot/voicepanel/network/MQTTOptions.kt
@@ -100,7 +100,8 @@ constructor(private val configuration: Configuration) {
     }
 
     fun getPort(): Int {
-        return configuration.mqttServerPort
+        val port = configuration.mqttServerPort
+        return port
     }
 
     fun getTlsConnection(): Boolean {
diff --git a/app/src/main/java/com/thanksmister/iot/voicepanel/network/VoicePanelService.kt b/app/src/main/java/com/thanksmister/iot/voicepanel/network/VoicePanelService.kt
index 43ffd52..da09ed9 100644
--- a/app/src/main/java/com/thanksmister/iot/voicepanel/network/VoicePanelService.kt
+++ b/app/src/main/java/com/thanksmister/iot/voicepanel/network/VoicePanelService.kt
@@ -175,7 +175,6 @@ class VoicePanelService : LifecycleService(), MQTTModule.MQTTListener,
         startForeground()
         initializeCommandList()
         configureMqtt()
-        configureVoice()
         configureTextToSpeech()
         configurePowerOptions()
         startHttp()
@@ -571,12 +570,15 @@ class VoicePanelService : LifecycleService(), MQTTModule.MQTTListener,
         if (textToSpeechModule == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && mqttOptions.isValid) {
             updateSyncMap(INIT_SPEECH, true)
             textToSpeechModule = TextToSpeechModule(this, this)
-            lifecycle.addObserver(textToSpeechModule!!)
+            if(textToSpeechModule != null) {
+                lifecycle.addObserver(textToSpeechModule!!)
+            }
         }
     }
 
     override fun onTextToSpeechInitialized() {
         updateSyncMap(INIT_SPEECH, false)
+        configureVoice()
     }
 
     override fun onTextToSpeechError() {
diff --git a/app/src/main/java/com/thanksmister/iot/voicepanel/persistence/Configuration.kt b/app/src/main/java/com/thanksmister/iot/voicepanel/persistence/Configuration.kt
index b0728ef..46879fc 100644
--- a/app/src/main/java/com/thanksmister/iot/voicepanel/persistence/Configuration.kt
+++ b/app/src/main/java/com/thanksmister/iot/voicepanel/persistence/Configuration.kt
@@ -260,7 +260,7 @@ constructor(private val context: Context, private val sharedPreferences: SharedP
         set(value) = this.setStringPref(context.getString(R.string.key_setting_mqtt_servername), value)
 
     var mqttServerPort: Int
-        get() = getStringPref(context.getString(R.string.key_setting_mqtt_serverport), context.getString(R.string.default_setting_mqtt_serverport)).trim().toInt()
+        get() = getPrefInt(context.getString(R.string.key_setting_mqtt_serverport), context.getString(R.string.default_setting_mqtt_serverport).toInt())
         set(value) = this.setPrefInt(context.getString(R.string.key_setting_mqtt_serverport), value)
 
     var mqttBaseTopic: String
diff --git a/app/src/main/java/com/thanksmister/iot/voicepanel/ui/fragments/MqttSettingsFragment.kt b/app/src/main/java/com/thanksmister/iot/voicepanel/ui/fragments/MqttSettingsFragment.kt
index c48ecf4..b7330ae 100644
--- a/app/src/main/java/com/thanksmister/iot/voicepanel/ui/fragments/MqttSettingsFragment.kt
+++ b/app/src/main/java/com/thanksmister/iot/voicepanel/ui/fragments/MqttSettingsFragment.kt
@@ -142,10 +142,10 @@ class MqttSettingsFragment : PreferenceFragmentCompat(), SharedPreferences.OnSha
                 }
             }
             getString(R.string.key_setting_mqtt_serverport) -> {
-                value = portPreference!!.text
-                if (!TextUtils.isEmpty(value) && value.matches("[0-9]+".toRegex())) {
-                    mqttOptions.setPort(Integer.valueOf(value)!!)
-                    portPreference!!.summary = value
+                val port = portPreference?.text?.toIntOrNull()
+                if (port != null) {
+                    mqttOptions.setPort(port)
+                    portPreference!!.summary = port.toString()
                 } else if (isAdded) {
                     Toast.makeText(activity, R.string.text_error_only_numbers, Toast.LENGTH_LONG).show()
                     portPreference!!.text = mqttOptions.getPort().toString()