diff --git a/service/src/com/android/server/TestNetworkService.java b/service/src/com/android/server/TestNetworkService.java
index 5549fbe570..843b7b3f36 100644
--- a/service/src/com/android/server/TestNetworkService.java
+++ b/service/src/com/android/server/TestNetworkService.java
@@ -310,9 +310,11 @@ class TestNetworkService extends ITestNetworkManager.Stub {
                     NetworkStackConstants.IPV6_ADDR_ANY, 0), null, iface));
         }
 
+        // For testing purpose, fill legacy type for NetworkStatsService since it does not
+        // support transport types.
         final TestNetworkAgent agent = new TestNetworkAgent(context, looper, nc, lp,
-                new NetworkAgentConfig.Builder().build(), callingUid, binder,
-                mNetworkProvider);
+                new NetworkAgentConfig.Builder().setLegacyType(ConnectivityManager.TYPE_TEST)
+                        .build(), callingUid, binder, mNetworkProvider);
         agent.register();
         agent.markConnected();
         return agent;