diff --git a/overlay/FrameworksResTarget/res/values/config.xml b/overlay/FrameworksResTarget/res/values/config.xml
index 7c3c11e..ce89c73 100644
--- a/overlay/FrameworksResTarget/res/values/config.xml
+++ b/overlay/FrameworksResTarget/res/values/config.xml
@@ -155,4 +155,8 @@
          auto-brightness adjustment setting. -->
     <fraction name="config_autoBrightnessAdjustmentMaxGamma">150%</fraction>
 
+    <!-- Flag indicating whether notification and ringtone volumes
+         are controlled together (aliasing is true) or not. -->
+    <bool name="config_alias_ring_notif_stream_types">false</bool>
+
 </resources>