diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 288810c5bd8c7..e852770455218 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1643,6 +1643,7 @@ public class NotificationManagerService extends SystemService {
         }
 
         private void enforcePolicyAccess(String pkg, String method) {
+            checkCallerIsSameApp(pkg);
             if (!checkPolicyAccess(pkg)) {
                 Slog.w(TAG, "Notification policy access denied calling " + method);
                 throw new SecurityException("Notification policy access denied");
@@ -3131,6 +3132,10 @@ public class NotificationManagerService extends SystemService {
         if (isCallerSystem()) {
             return;
         }
+        checkCallerIsSameApp(pkg);
+    }
+
+    private static void checkCallerIsSameApp(String pkg) {
         final int uid = Binder.getCallingUid();
         try {
             ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo(