diff --git a/ui/drivers/ui_qt.cpp b/ui/drivers/ui_qt.cpp
index 5a8cb7170d..1fa54da778 100644
--- a/ui/drivers/ui_qt.cpp
+++ b/ui/drivers/ui_qt.cpp
@@ -14,6 +14,7 @@
  * If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define WIN32_LEAN_AND_MEAN
 #include <QApplication>
 #include <QAbstractEventDispatcher>
 #include <QtWidgets>