diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
index eccc8baea..3bbb76639 100644
--- a/res/xml/preferences.xml
+++ b/res/xml/preferences.xml
@@ -51,6 +51,7 @@
             android:title="@string/pref_sound" />
 
         <CheckBoxPreference
+            android:defaultValue="true"
             android:dependency="show_notification"
             android:key="always_notify_in_conference"
             android:summary="@string/pref_conference_notifications_summary"
@@ -105,4 +106,4 @@
             android:title="@string/pref_never_send_crash" />
     </PreferenceCategory>
 
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>