diff --git a/src/nodejs/node_osrm.cpp b/src/nodejs/node_osrm.cpp
index 37944d60c..77d0353af 100644
--- a/src/nodejs/node_osrm.cpp
+++ b/src/nodejs/node_osrm.cpp
@@ -141,14 +141,12 @@ inline void async(const Nan::FunctionCallbackInfo<v8::Value> &info,
 
     struct Worker final : Nan::AsyncWorker
     {
-        using Base = Nan::AsyncWorker;
-
         Worker(std::shared_ptr<osrm::OSRM> osrm_,
                ParamPtr params_,
                ServiceMemFn service,
                Nan::Callback *callback,
                PluginParameters pluginParams_)
-            : Base(callback, "osrm:async"), osrm{std::move(osrm_)}, service{std::move(service)},
+            : Nan::AsyncWorker(callback, "osrm:async"), osrm{std::move(osrm_)}, service{std::move(service)},
               params{std::move(params_)}, pluginParams{std::move(pluginParams_)}
         {
         }
@@ -244,14 +242,12 @@ inline void asyncForTiles(const Nan::FunctionCallbackInfo<v8::Value> &info,
 
     struct Worker final : Nan::AsyncWorker
     {
-        using Base = Nan::AsyncWorker;
-
         Worker(std::shared_ptr<osrm::OSRM> osrm_,
                ParamPtr params_,
                ServiceMemFn service,
                Nan::Callback *callback,
                PluginParameters pluginParams_)
-            : Base(callback, "osrm:asyncForTiles"), osrm{std::move(osrm_)},
+            : Nan::AsyncWorker(callback, "osrm:asyncForTiles"), osrm{std::move(osrm_)},
               service{std::move(service)}, params{std::move(params_)}, pluginParams{
                                                                            std::move(pluginParams_)}
         {