diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7df65207b..c32ce4536 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -946,6 +946,8 @@ void MainWindow::closeEvent(QCloseEvent *e) {
 
     panel_footage_viewer->set_main_sequence();
 
+    olive::UndoStack.clear();
+
     QString data_dir = get_data_path();
     QString config_path = get_config_path();
     if (!data_dir.isEmpty() && !autorecovery_filename.isEmpty()) {