diff --git a/main.py b/main.py
index beb1feb..610a025 100644
--- a/main.py
+++ b/main.py
@@ -76,6 +76,9 @@ class MainWindow(QMainWindow):
         (selected_file, _filter) = dialog.getOpenFileName(caption=self.tr("Open File"))
         self.tabs.create_tab(selected_file)
 
+    def closeEvent(self, event):
+        self.destruct()
+
     def destruct(self):
         self.tabs.destruct()
         self.close()