diff --git a/package.json b/package.json
index b0204ead8..e51560d13 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,8 @@
     "typescript": "^3.4.5"
   },
   "scripts": {
-    "build:addon": "npm run automoc && node-gyp -j 8 build",
-    "rebuild:addon": "npm run automoc && node-gyp -j 8 build",
+    "build:addon": "node-gyp -j 8 build",
+    "rebuild:addon": "node-gyp -j 8 build",
     "build:lib": "rm -rf ./dist/ && tsc",
     "dev": "yarn build:lib && qode dist/demo.js",
     "automoc": "node ./scripts/automoc.js"
diff --git a/src/cpp/QtWidgets/QMainWindow/qmainwindow_wrap.cpp b/src/cpp/QtWidgets/QMainWindow/qmainwindow_wrap.cpp
index 966e7a747..6da4a6d90 100644
--- a/src/cpp/QtWidgets/QMainWindow/qmainwindow_wrap.cpp
+++ b/src/cpp/QtWidgets/QMainWindow/qmainwindow_wrap.cpp
@@ -23,7 +23,8 @@ NMainWindow* QMainWindowWrap::getInternalInstance() {
 QMainWindowWrap::QMainWindowWrap(const Napi::CallbackInfo& info): Napi::ObjectWrap<QMainWindowWrap>(info)  {
   Napi::Env env = info.Env();
   Napi::HandleScope scope(env);
-  
+  SuppressDestruct();
+
   if(info.Length() == 1) {
       Napi::Object parentObject = info[0].As<Napi::Object>();
       QWidgetWrap* parentWidgetWrap = Napi::ObjectWrap<QWidgetWrap>::Unwrap(parentObject);