diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index e3f4794e6d..dc5501eaf5 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -2168,6 +2168,9 @@ void QGuiApplicationPrivate::processTabletLeaveProximityEvent(QWindowSystemInter
 #ifndef QT_NO_GESTURES
 void QGuiApplicationPrivate::processGestureEvent(QWindowSystemInterfacePrivate::GestureEvent *e)
 {
+    if (e->window.isNull())
+        return;
+
     QNativeGestureEvent ev(e->type, e->pos, e->pos, e->globalPos, e->realValue, e->sequenceId, e->intValue);
     ev.setTimestamp(e->timestamp);
     QGuiApplication::sendSpontaneousEvent(e->window, &ev);