diff --git a/quic/test_tools/crypto_test_utils.h b/quic/test_tools/crypto_test_utils.h
index 4cee641..6f87e90 100644
--- a/quic/test_tools/crypto_test_utils.h
+++ b/quic/test_tools/crypto_test_utils.h
@@ -78,7 +78,8 @@
                             PacketSavingConnection* server_conn,
                             QuicCryptoServerStream* server,
                             const QuicServerId& server_id,
-                            const FakeClientOptions& options);
+                            const FakeClientOptions& options,
+                            std::string alpn);
 
 // SetupCryptoServerConfigForTest configures |crypto_config|
 // with sensible defaults for testing.