diff --git a/boxes/CTkMessageBox.py b/boxes/CTkMessageBox.py
index cfa1199..c33f999 100644
--- a/boxes/CTkMessageBox.py
+++ b/boxes/CTkMessageBox.py
@@ -126,7 +126,8 @@ class CTkMessageBox(ctk.CTkToplevel):
 
     def _on_closing(self):
         self.grab_release()
-        self.destroy()
+        if self.winfo_exists():
+            self.destroy()
 
     def _create_widgets(self):
         # Иконки для типов сообщений
@@ -160,7 +161,7 @@ class CTkMessageBox(ctk.CTkToplevel):
     def _on_button_click(self, button):
         self._input = button
         self.grab_release()
-        self.destroy()
+        self._on_closing()
 
     def get_output(self):
         self.master.wait_window(self)