diff --git a/core/java/android/net/INetworkScoreCache.aidl b/core/java/android/net/INetworkScoreCache.aidl
index 35601ce8b138a..1da7d67d848b6 100644
--- a/core/java/android/net/INetworkScoreCache.aidl
+++ b/core/java/android/net/INetworkScoreCache.aidl
@@ -34,7 +34,7 @@ import android.net.ScoredNetwork;
  * the current scores for each network for debugging purposes.
  * @hide
  */
-interface INetworkScoreCache
+oneway interface INetworkScoreCache
 {
     void updateScores(in List<ScoredNetwork> networks);