diff --git a/src/platformsupport/eglconvenience/qt_egl_p.h b/src/platformsupport/eglconvenience/qt_egl_p.h
index 615ee4b80a..b1495c9f9d 100644
--- a/src/platformsupport/eglconvenience/qt_egl_p.h
+++ b/src/platformsupport/eglconvenience/qt_egl_p.h
@@ -83,7 +83,7 @@ struct QtEglConverter<uint32_t, uintptr_t>
     { return v; }
 };
 
-#if Q_PROCESSOR_WORDSIZE > 4
+#if QT_POINTER_SIZE > 4
 template <>
 struct QtEglConverter<uintptr_t, uint32_t>
 {