diff --git a/core/java/android/app/PendingIntent.java b/core/java/android/app/PendingIntent.java
index 11d9b5ea3651f..042eece68b53f 100644
--- a/core/java/android/app/PendingIntent.java
+++ b/core/java/android/app/PendingIntent.java
@@ -102,6 +102,7 @@ public final class PendingIntent implements Parcelable {
                     FLAG_NO_CREATE,
                     FLAG_CANCEL_CURRENT,
                     FLAG_UPDATE_CURRENT,
+                    FLAG_IMMUTABLE,
 
                     Intent.FILL_IN_ACTION,
                     Intent.FILL_IN_DATA,