diff --git a/qt_ui/windows/QLiberationWindow.py b/qt_ui/windows/QLiberationWindow.py
index 1ac13044..616a0a1c 100644
--- a/qt_ui/windows/QLiberationWindow.py
+++ b/qt_ui/windows/QLiberationWindow.py
@@ -474,5 +474,7 @@ class QLiberationWindow(QMainWindow):
             self._save_window_geometry()
             super().closeEvent(event)
             self.dialog = None
+            for window in QApplication.topLevelWidgets():
+                window.close()
         else:
             event.ignore()