diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 297b9ff1af168..e56274aa4fd24 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -646,7 +646,8 @@ public class Notification implements Parcelable
     public static final int FLAG_IMMEDIATE_FGS_DISPLAY = 0x00002000;
 
     /** @hide */
-    @IntDef({FLAG_SHOW_LIGHTS, FLAG_ONGOING_EVENT, FLAG_INSISTENT, FLAG_ONLY_ALERT_ONCE,
+    @IntDef(flag = true, prefix = { "FLAG_" }, value = {FLAG_SHOW_LIGHTS, FLAG_ONGOING_EVENT,
+            FLAG_INSISTENT, FLAG_ONLY_ALERT_ONCE,
             FLAG_AUTO_CANCEL, FLAG_NO_CLEAR, FLAG_FOREGROUND_SERVICE, FLAG_HIGH_PRIORITY,
             FLAG_LOCAL_ONLY, FLAG_GROUP_SUMMARY, FLAG_AUTOGROUP_SUMMARY, FLAG_BUBBLE,
             FLAG_IMMEDIATE_FGS_DISPLAY})