diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 683d771..7aa7c5b 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -99,9 +99,9 @@ MainWindow::MainWindow(QWidget *parent)
 
 MainWindow::~MainWindow()
 {
-	// Auto-save playlist before closing
-	autoSavePlaylist();
+	aceStep->cancleGenerateion();
 
+	autoSavePlaylist();
 	saveSettings();
 	delete ui;
 }