diff --git a/src/window/image.py b/src/window/image.py
index 24f54e8..3394bb2 100644
--- a/src/window/image.py
+++ b/src/window/image.py
@@ -37,6 +37,7 @@ class ImageWindow:
 
     def on_closing(self):
         self.countdown_sound.stop()
+        self.window.destroy()
 
     def next_image(self):
         if self.toolbar.timer_check is not None: