diff --git a/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java b/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
index 023d608a0a3d2..5baf269abb6d6 100644
--- a/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
+++ b/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
@@ -596,7 +596,7 @@ class MediaRouter2ServiceImpl {
 
     // Start of methods that implements operations for both MediaRouter2 and MediaRouter2Manager.
 
-    @NonNull
+    @Nullable
     public RoutingSessionInfo getSystemSessionInfo(
             @Nullable String packageName, boolean setDeviceRouteSelected) {
         final int uid = Binder.getCallingUid();