diff --git a/examples/qpa/windows/windows.pro b/examples/qpa/windows/windows.pro
index a7e3bf6db5..bfda6f3104 100644
--- a/examples/qpa/windows/windows.pro
+++ b/examples/qpa/windows/windows.pro
@@ -7,6 +7,9 @@ TARGET =
 DEPENDPATH += .
 INCLUDEPATH += .
 
+QT += gui-private
+QT += core-private
+
 # Input
 HEADERS += window.h
 SOURCES += window.cpp main.cpp