diff --git a/dstat_interface/main.py b/dstat_interface/main.py
index b3afdc602b3ae68209374095e67ec4372aeb234e..988638051d35ee2abeb677575a3e2afa1365def2 100755
--- a/dstat_interface/main.py
+++ b/dstat_interface/main.py
@@ -209,6 +209,7 @@ class Main(object):
         params.save_params(self, 'last_params.yml')
 
         self.on_serial_disconnect_clicked()
+        db.stop_db()
         gtk.main_quit()
 
     def on_gtk_about_activate(self, menuitem, data=None):