diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 03e9c0a1c9f76..4f9ed834318f8 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -1171,7 +1171,7 @@ public class Notification implements Parcelable
      */
     public static final int GROUP_ALERT_CHILDREN = 2;
 
-    private int mGroupAlertBehavior = GROUP_ALERT_CHILDREN;
+    private int mGroupAlertBehavior = GROUP_ALERT_ALL;
 
     /**
      * If this notification is being shown as a badge, always show as a number.