diff --git a/build.gradle b/build.gradle
index a5a469d7..7b66043c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ buildscript {
         classpath 'com.android.tools.build:gradle:3.5.0-beta01'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.21.0'
         classpath 'com.google.gms:google-services:4.2.0'
-        classpath 'io.fabric.tools:gradle:1.28.1'
+        classpath 'io.fabric.tools:gradle:1.29.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
     }
 }
diff --git a/mobile/build.gradle b/mobile/build.gradle
index 0331856f..a2084d71 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -19,8 +19,8 @@ android {
         minSdkVersion 21
         targetSdkVersion 28
         resConfigs "ru", "zh-rCN"
-        versionCode 203
-        versionName "2.4.3"
+        versionCode 204
+        versionName '2.4.4'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         javaCompileOptions {
             annotationProcessorOptions {
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiP2pManagerHelper.kt b/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiP2pManagerHelper.kt
index 91b561aa..2a59a387 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiP2pManagerHelper.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiP2pManagerHelper.kt
@@ -41,18 +41,19 @@ object WifiP2pManagerHelper {
      *
      * Source: https://android.googlesource.com/platform/frameworks/base/+/android-4.3_r0.9/wifi/java/android/net/wifi/p2p/WifiP2pManager.java#958
      */
-    private val startWps by lazy {
-        WifiP2pManager::class.java.getDeclaredMethod("startWps",
-                WifiP2pManager.Channel::class.java, WpsInfo::class.java, WifiP2pManager.ActionListener::class.java)
-    }
-    fun WifiP2pManager.startWps(c: WifiP2pManager.Channel, wps: WpsInfo, listener: WifiP2pManager.ActionListener) {
+    @JvmStatic
+    val startWps by lazy {
         try {
-            startWps.invoke(this, c, wps, listener)
+            WifiP2pManager::class.java.getDeclaredMethod("startWps",
+                    WifiP2pManager.Channel::class.java, WpsInfo::class.java, WifiP2pManager.ActionListener::class.java)
         } catch (e: NoSuchMethodException) {
             DebugHelper.logEvent("NoSuchMethod_startWps")
-            listener.onFailure(UNSUPPORTED)
+            null
         }
     }
+    fun WifiP2pManager.startWps(c: WifiP2pManager.Channel, wps: WpsInfo, listener: WifiP2pManager.ActionListener) {
+        startWps!!.invoke(this, c, wps, listener)
+    }
 
     /**
      * Available since Android 4.2.
diff --git a/mobile/src/main/res/layout/listitem_repeater.xml b/mobile/src/main/res/layout/listitem_repeater.xml
index 2e6c09c0..a1b10079 100644
--- a/mobile/src/main/res/layout/listitem_repeater.xml
+++ b/mobile/src/main/res/layout/listitem_repeater.xml
@@ -3,6 +3,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
     <data>
+        <import type="be.mygod.vpnhotspot.net.wifi.WifiP2pManagerHelper"/>
         <variable
             name="data"
             type="be.mygod.vpnhotspot.manage.RepeaterManager.Data"/>
@@ -73,7 +74,7 @@
             android:background="?android:attr/selectableItemBackground"
             android:padding="16dp"
             android:onClick="@{_ -> data.wps()}"
-            android:visibility="@{data.serviceStarted}">
+            android:visibility="@{data.serviceStarted &amp;&amp; WifiP2pManagerHelper.startWps != null}">
 
             <Space
                 android:layout_width="40dp"