diff --git a/test/transport/integration.cpp b/test/transport/integration.cpp
index a73738ac80..53f54cbbb2 100644
--- a/test/transport/integration.cpp
+++ b/test/transport/integration.cpp
@@ -34,6 +34,7 @@
 #include <websocketpp/config/core_client.hpp>
 #include <websocketpp/config/asio_no_tls.hpp>
 #include <websocketpp/config/asio_no_tls_client.hpp>
+#include <websocketpp/config/debug_asio_no_tls.hpp>
 #include <websocketpp/server.hpp>
 #include <websocketpp/client.hpp>