1 files changed, 1 insertions, 1 deletions
diff --git a/src/widgets/widgets/qmainwindow.cpp b/src/widgets/widgets/qmainwindow.cpp
index aa6706f0bb..8aa2c24592 100644
--- a/src/widgets/widgets/qmainwindow.cpp
+++ b/src/widgets/widgets/qmainwindow.cpp
@@ -1360,7 +1360,7 @@ void QMainWindow::setUnifiedTitleAndToolBarOnMac(bool enabled)
     d->useUnifiedToolBar = enabled;
     createWinId();
 
-    using namespace QPlatformInterface::Private;
+    using namespace QNativeInterface::Private;
     if (auto *platformWindow = dynamic_cast<QCocoaWindow*>(window()->windowHandle()->handle()))
         platformWindow->setContentBorderEnabled(enabled);