diff --git a/hoot-core-test/src/test/cpp/hoot/core/util/HttpTestServer.h b/hoot-core-test/src/test/cpp/hoot/core/util/HttpTestServer.h
index 06ce3b7..f00c5ec 100644
--- a/hoot-core-test/src/test/cpp/hoot/core/util/HttpTestServer.h
+++ b/hoot-core-test/src/test/cpp/hoot/core/util/HttpTestServer.h
@@ -74,6 +74,7 @@ public:
/** Static constants for use in the HttpTestServer class */
static const int DEFAULT_SERVER_PORT = 8910;
static const std::string HTTP_200_OK;
+ static const std::string HTTP_400_BAD_REQUEST;
static const std::string HTTP_404_NOT_FOUND;
static const std::string HTTP_409_CONFLICT;
/** Constructor */