diff --git a/vmcompact/app.py b/vmcompact/app.py
index 4db27b7..d82d640 100644
--- a/vmcompact/app.py
+++ b/vmcompact/app.py
@@ -34,9 +34,8 @@ class App(tk.Tk):
         super().__init__()
 
         self._vmr = vmr
-        self._vmr.event.add("ldirty")
-        self._vmr.event.remove("mdirty")
-        self._vmr.event.remove("midi")
+        self._vmr.event.ldirty = True
+        self._vmr.event.remove(["mdirty", "midi"])
         icon_path = Path(__file__).parent.resolve() / "img" / "cat.ico"
         if icon_path.is_file():
             self.iconbitmap(str(icon_path))
diff --git a/vmcompact/menu.py b/vmcompact/menu.py
index 72e0887..5e72dd4 100644
--- a/vmcompact/menu.py
+++ b/vmcompact/menu.py
@@ -321,7 +321,7 @@ class Menus(tk.Menu):
             self.after(1, self.enable_vban_menus)
             return
         self.menu_teardown(i)
-        self.vban.event.add("ldirty")
+        self.vban.event.ldirty = True
         # destroy the current App frames
         self.parent._destroy_top_level_frames()
         _base_values.vban_connected = True