diff --git a/moffy-samples-gtk3-run.cabal b/moffy-samples-gtk3-run.cabal
--- a/moffy-samples-gtk3-run.cabal
+++ b/moffy-samples-gtk3-run.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           moffy-samples-gtk3-run
-version:        0.1.0.2
+version:        0.1.0.3
 synopsis:       Package to run moffy samples - GTK3 version
 description:    Please see the README on GitHub at <https://github.com/YoshikuniJujo/moffy-samples-gtk3-run#readme>
 category:       Control
diff --git a/src/Control/Moffy/Samples/Boxes/Run/Gtk3.hs b/src/Control/Moffy/Samples/Boxes/Run/Gtk3.hs
--- a/src/Control/Moffy/Samples/Boxes/Run/Gtk3.hs
+++ b/src/Control/Moffy/Samples/Boxes/Run/Gtk3.hs
@@ -33,7 +33,7 @@
 
 import Control.Moffy.Samples.Run.Gtk3
 
-runBoxes bxs = runBoxes_ $ boxesToView <$%> (emit [] >> bxs)
+runBoxes bxs = runBoxes_ $ boxesToView <$%> (emit [] >> bxs) >> emit V.Stopped
 
 runBoxes_ :: forall s es r . (
 	Adjustable