diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4a30f3f55..1654da035 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,6 +78,7 @@ add_library(${CORE_WIDGETS_ADDON} SHARED
     "${PROJECT_SOURCE_DIR}/src/cpp/QtWidgets/QRadioButton/nradiobutton.hpp"
     "${PROJECT_SOURCE_DIR}/src/cpp/QtWidgets/QPlainTextEdit/nplaintextedit.hpp"
     "${PROJECT_SOURCE_DIR}/src/cpp/QtWidgets/QScrollArea/nscrollarea.hpp"
+    "${PROJECT_SOURCE_DIR}/src/cpp/QtWidgets/QTabWidget/ntabwidget.hpp"
 ) 
 
 # common
diff --git a/src/cpp/QtWidgets/QTabWidget/ntabwidget.h b/src/cpp/QtWidgets/QTabWidget/ntabwidget.hpp
similarity index 99%
rename from src/cpp/QtWidgets/QTabWidget/ntabwidget.h
rename to src/cpp/QtWidgets/QTabWidget/ntabwidget.hpp
index 221eed088..b358d0801 100644
--- a/src/cpp/QtWidgets/QTabWidget/ntabwidget.h
+++ b/src/cpp/QtWidgets/QTabWidget/ntabwidget.hpp
@@ -6,6 +6,7 @@
 
 class NTabWidget: public QTabWidget, public NodeWidget
 {
+    Q_OBJECT
     NODEWIDGET_IMPLEMENTATIONS(QTabWidget)
 public:
     using QTabWidget::QTabWidget; //inherit all constructors of QTabWidget
diff --git a/src/cpp/QtWidgets/QTabWidget/qtabwidget_wrap.h b/src/cpp/QtWidgets/QTabWidget/qtabwidget_wrap.h
index c12540498..765bb076a 100644
--- a/src/cpp/QtWidgets/QTabWidget/qtabwidget_wrap.h
+++ b/src/cpp/QtWidgets/QTabWidget/qtabwidget_wrap.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <napi.h>
-#include "ntabwidget.h"
+#include "ntabwidget.hpp"
 #include "src/cpp/QtWidgets/QWidget/qwidget_macro.h"
 #include "src/cpp/Extras/Utils/nutils.h"