diff --git a/quiche/quic/qbone/bonnet/tun_device_controller.cc b/quiche/quic/qbone/bonnet/tun_device_controller.cc
index 97a6361..d44af18 100644
--- a/quiche/quic/qbone/bonnet/tun_device_controller.cc
+++ b/quiche/quic/qbone/bonnet/tun_device_controller.cc
@@ -171,7 +171,7 @@
 }
 
 void TunDeviceController::RegisterAddressUpdateCallback(
-    quiche::MultiUseCallback<void(QuicIpAddress)> cb) {
+    quiche::MultiUseCallback<void(const QuicIpAddress&)> cb) {
   address_update_cbs_.push_back(std::move(cb));
 }
 
diff --git a/quiche/quic/qbone/bonnet/tun_device_controller.h b/quiche/quic/qbone/bonnet/tun_device_controller.h
index 350a056..2728929 100644
--- a/quiche/quic/qbone/bonnet/tun_device_controller.h
+++ b/quiche/quic/qbone/bonnet/tun_device_controller.h
@@ -52,7 +52,7 @@
       int retries);
 
   virtual void RegisterAddressUpdateCallback(
-      quiche::MultiUseCallback<void(QuicIpAddress)> cb);
+      quiche::MultiUseCallback<void(const QuicIpAddress&)> cb);
 
   virtual QuicIpAddress current_address();
 
@@ -67,7 +67,7 @@
 
   QuicIpAddress current_address_;
 
-  std::vector<quiche::MultiUseCallback<void(QuicIpAddress)>>
+  std::vector<quiche::MultiUseCallback<void(const QuicIpAddress&)>>
       address_update_cbs_;
 };