diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index f43329afd0..6d37014b38 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -2868,7 +2868,7 @@ QPlatformDragQtResponse QGuiApplicationPrivate::processDrag(QWindow *w, const QM
     static QPointer<QWindow> currentDragWindow;
     static Qt::DropAction lastAcceptedDropAction = Qt::IgnoreAction;
     QPlatformDrag *platformDrag = platformIntegration()->drag();
-    if (!platformDrag) {
+    if (!platformDrag || (w && w->d_func()->blockedByModalWindow)) {
         lastAcceptedDropAction = Qt::IgnoreAction;
         return QPlatformDragQtResponse(false, lastAcceptedDropAction, QRect());
     }