diff --git a/README.md b/README.md
index 846d65e..db5c2ed 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ WinNativeEventFilter::setWindowData(reinterpret_cast<HWND>(widget.winId()), &dat
 const auto data = WinNativeEventFilter::windowData(reinterpret_cast<HWND>(widget.winId()));
 data.borderWidth = 5;
 data.borderHeight = 5;
-data.titlebarHeight = 30;
+data.titleBarHeight = 30;
 ```
 
 ## Supported Platforms
diff --git a/framelessquickhelper.h b/framelessquickhelper.h
index 9010f47..49a39ae 100644
--- a/framelessquickhelper.h
+++ b/framelessquickhelper.h
@@ -36,6 +36,16 @@
 #include "framelesshelper.h"
 #endif
 
+#if (QT_VERSION < QT_VERSION_CHECK(5, 13, 0))
+#define Q_DISABLE_MOVE(Class)                                                  \
+    Class(Class &&) = delete;                                                  \
+    Class &operator=(Class &&) = delete;
+
+#define Q_DISABLE_COPY_MOVE(Class)                                             \
+    Q_DISABLE_COPY(Class)                                                      \
+    Q_DISABLE_MOVE(Class)
+#endif
+
 class FramelessQuickHelper : public QQuickItem {
     Q_OBJECT
     Q_DISABLE_COPY_MOVE(FramelessQuickHelper)