diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
index 871a014a..e4b9dfac 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/TetheringService.kt
@@ -58,7 +58,7 @@ class TetheringService : IpNeighbourMonitoringService() {
                 app.onRoutingsCleaned[this] = { synchronized(routings) { updateRoutingsLocked() } }
                 IpNeighbourMonitor.registerCallback(this)
             }
-            val disableIpv6 = app.pref.getBoolean("service.disableIpv6", false)
+            val disableIpv6 = app.pref.getBoolean("service.disableIpv6", true)
             val iterator = routings.iterator()
             while (iterator.hasNext()) {
                 val (downstream, value) = iterator.next()
diff --git a/mobile/src/main/res/xml/pref_settings.xml b/mobile/src/main/res/xml/pref_settings.xml
index 5cd4a895..1a44c4c1 100644
--- a/mobile/src/main/res/xml/pref_settings.xml
+++ b/mobile/src/main/res/xml/pref_settings.xml
@@ -30,7 +30,8 @@
             app:key="service.disableIpv6"
             app:icon="@drawable/ic_image_looks_6"
             app:title="@string/settings_service_disable_ipv6"
-            app:summary="@string/settings_service_disable_ipv6_summary"/>
+            app:summary="@string/settings_service_disable_ipv6_summary"
+            app:defaultValue="true"/>
         <EditTextPreference
             app:key="service.dns"
             app:icon="@drawable/ic_action_dns"