diff --git a/quic/test_tools/quic_test_client.cc b/quic/test_tools/quic_test_client.cc
index 77d87ea..9657c8b 100644
--- a/quic/test_tools/quic_test_client.cc
+++ b/quic/test_tools/quic_test_client.cc
@@ -672,8 +672,8 @@
   return true;
 }
 
-ssize_t QuicTestClient::Send(const void* buffer, size_t size) {
-  return SendData(std::string(static_cast<const char*>(buffer), size), false);
+ssize_t QuicTestClient::Send(absl::string_view data) {
+  return SendData(std::string(data), false);
 }
 
 bool QuicTestClient::response_headers_complete() const {