diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index bff27edbaa89e..0cac406ffac63 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2585,6 +2585,9 @@ public class NotificationManagerService extends SystemService {
             }
         }
         if (summaryRecord != null) {
+            synchronized (mEnqueuedNotifications) {
+                mEnqueuedNotifications.add(summaryRecord);
+            }
             mHandler.post(new EnqueueNotificationRunnable(userId, summaryRecord));
         }
     }