diff --git a/src/com/android/server/telecom/settings/BlockedNumbersUtil.java b/src/com/android/server/telecom/settings/BlockedNumbersUtil.java
index 67634e4..4be75f8 100644
--- a/src/com/android/server/telecom/settings/BlockedNumbersUtil.java
+++ b/src/com/android/server/telecom/settings/BlockedNumbersUtil.java
@@ -95,7 +95,8 @@
         if (showNotification) {
             Intent intent = new Intent(context, CallBlockDisabledActivity.class);
             PendingIntent pendingIntent = PendingIntent.getActivity(
-                    context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+                    context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT
+                            | PendingIntent.FLAG_IMMUTABLE);
 
             String title = context.getString(
                     R.string.phone_strings_call_blocking_turned_off_notification_title_txt);