diff --git a/lcl/interfaces/qt/qtwidgets.pas b/lcl/interfaces/qt/qtwidgets.pas
index 2e9e47adc0..772f87aca5 100644
--- a/lcl/interfaces/qt/qtwidgets.pas
+++ b/lcl/interfaces/qt/qtwidgets.pas
@@ -827,6 +827,9 @@ begin
 
   SetGeometry;
 
+  // Set mouse move messages policy
+  QWidget_setMouseTracking(Widget, True);
+
   setVisible(False);
 end;