diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/App.kt b/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
index fa48f740..3046e8c1 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/App.kt
@@ -11,6 +11,8 @@ import android.preference.PreferenceManager
 
 class App : Application() {
     companion object {
+        const val ACTION_CLEAN_ROUTINGS = "be.mygod.vpnhotspot.CLEAN_ROUTINGS"
+
         lateinit var app: App
     }
 
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
index 25739944..6d39616e 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt
@@ -140,6 +140,16 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
                         intent.getParcelableExtra(WifiP2pManager.EXTRA_NETWORK_INFO),
                         intent.getParcelableExtra(WifiP2pManager.EXTRA_WIFI_P2P_GROUP))
             }
+            App.ACTION_CLEAN_ROUTINGS -> {
+                val routing = routing
+                try {
+                    routing!!.started = false
+                    if (status == Status.ACTIVE && !initRouting(upstream!!, routing.downstream, routing.hostAddress))
+                        Toast.makeText(this@RepeaterService, R.string.noisy_su_failure, Toast.LENGTH_SHORT).show()
+                } catch (e: Exception) {
+                    Toast.makeText(this@RepeaterService, e.message, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
     private val onVpnUnavailable = Runnable { startFailure(getString(R.string.repeater_vpn_unavailable)) }
@@ -202,6 +212,8 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
                         unregisterReceiver()
                         registerReceiver(receiver, intentFilter(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION,
                                 WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION))
+                        LocalBroadcastManager.getInstance(this)
+                                .registerReceiver(receiver, intentFilter(App.ACTION_CLEAN_ROUTINGS))
                         receiverRegistered = true
                         upstream = ifname
                         p2pManager.requestGroupInfo(channel, {
@@ -319,6 +331,7 @@ class RepeaterService : Service(), WifiP2pManager.ChannelListener, VpnListener.C
     private fun unregisterReceiver() {
         if (receiverRegistered) {
             unregisterReceiver(receiver)
+            LocalBroadcastManager.getInstance(this).unregisterReceiver(receiver)
             receiverRegistered = false
         }
     }
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/Routing.kt b/mobile/src/main/java/be/mygod/vpnhotspot/Routing.kt
index fcffaed9..1bea0379 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/Routing.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/Routing.kt
@@ -26,7 +26,6 @@ class Routing(private val upstream: String, val downstream: String, ownerAddress
     private val startScript = LinkedList<String>()
     private val stopScript = LinkedList<String>()
     var started = false
-        private set
 
     fun ipForward(): Routing {
         startScript.add("echo 1 >/proc/sys/net/ipv4/ip_forward")
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/SettingsPreferenceFragment.kt b/mobile/src/main/java/be/mygod/vpnhotspot/SettingsPreferenceFragment.kt
index 69408602..e717d258 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/SettingsPreferenceFragment.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/SettingsPreferenceFragment.kt
@@ -5,6 +5,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.support.customtabs.CustomTabsIntent
 import android.support.v4.content.ContextCompat
+import android.support.v4.content.LocalBroadcastManager
 import android.widget.Toast
 import com.takisoft.fix.support.v7.preference.PreferenceFragmentCompatDividers
 import java.io.IOException
@@ -18,6 +19,7 @@ class SettingsPreferenceFragment : PreferenceFragmentCompatDividers() {
         addPreferencesFromResource(R.xml.pref_settings)
         findPreference("service.clean").setOnPreferenceClickListener {
             Routing.clean()
+            LocalBroadcastManager.getInstance(context!!).sendBroadcastSync(Intent(App.ACTION_CLEAN_ROUTINGS))
             true
         }
         findPreference("misc.logcat").setOnPreferenceClickListener {
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
index b5925a06..61d92c13 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
@@ -29,10 +29,15 @@ class TetheringService : Service(), VpnListener.Callback {
     private var upstream: String? = null
     private var receiverRegistered = false
     private val receiver = broadcastReceiver { _, intent ->
-        val remove = routings.keys - NetUtils.getTetheredIfaces(intent.extras)
-        if (remove.isEmpty()) return@broadcastReceiver
-        val failed = remove.any { routings.remove(it)?.stop() == false }
-        if (failed) Toast.makeText(this, getText(R.string.noisy_su_failure), Toast.LENGTH_SHORT).show()
+        when (intent.action) {
+            NetUtils.ACTION_TETHER_STATE_CHANGED -> {
+                val remove = routings.keys - NetUtils.getTetheredIfaces(intent.extras)
+                if (remove.isEmpty()) return@broadcastReceiver
+                val failed = remove.any { routings.remove(it)?.stop() == false }
+                if (failed) Toast.makeText(this, getText(R.string.noisy_su_failure), Toast.LENGTH_SHORT).show()
+            }
+            App.ACTION_CLEAN_ROUTINGS -> for (iface in routings.keys) routings[iface] = null
+        }
         updateRoutings()
     }
 
diff --git a/mobile/src/main/res/values-zh-rCN/strings.xml b/mobile/src/main/res/values-zh-rCN/strings.xml
index a0656897..90c11e26 100644
--- a/mobile/src/main/res/values-zh-rCN/strings.xml
+++ b/mobile/src/main/res/values-zh-rCN/strings.xml
@@ -39,8 +39,7 @@
 
     <string name="settings_service">服务</string>
     <string name="settings_service_dns">下游 DNS 服务器:端口</string>
-    <string name="settings_service_clean">清理路由规则</string>
-    <string name="settings_service_clean_summary">请关闭所有服务后使用</string>
+    <string name="settings_service_clean">清理/重新应用路由规则</string>
     <string name="settings_misc">杂项</string>
     <string name="settings_misc_logcat">导出日志</string>
     <string name="settings_misc_logcat_summary">这种非常有用哇</string>
diff --git a/mobile/src/main/res/values/strings.xml b/mobile/src/main/res/values/strings.xml
index 0aa7b934..fa030fd5 100644
--- a/mobile/src/main/res/values/strings.xml
+++ b/mobile/src/main/res/values/strings.xml
@@ -42,8 +42,7 @@
 
     <string name="settings_service">Service</string>
     <string name="settings_service_dns">Downstream DNS server:port</string>
-    <string name="settings_service_clean">Clean routing rules</string>
-    <string name="settings_service_clean_summary">Only use after having shut down everything</string>
+    <string name="settings_service_clean">Clean/reapply routing rules</string>
     <string name="settings_misc">Misc</string>
     <string name="settings_misc_logcat">Export logcat</string>
     <string name="settings_misc_logcat_summary">Such useful very wow</string>
diff --git a/mobile/src/main/res/xml/pref_settings.xml b/mobile/src/main/res/xml/pref_settings.xml
index ee9e4ca4..afa86b72 100644
--- a/mobile/src/main/res/xml/pref_settings.xml
+++ b/mobile/src/main/res/xml/pref_settings.xml
@@ -9,8 +9,7 @@
             android:defaultValue="8.8.8.8:53"/>
         <Preference
             android:key="service.clean"
-            android:title="@string/settings_service_clean"
-            android:summary="@string/settings_service_clean_summary"/>
+            android:title="@string/settings_service_clean"/>
     </PreferenceCategory>
     <PreferenceCategory
         android:title="@string/settings_misc">