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:        0.1.0.6
+version:        0.1.0.7
 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/Run/Gtk3.hs b/src/Control/Moffy/Samples/Run/Gtk3.hs
--- a/src/Control/Moffy/Samples/Run/Gtk3.hs
+++ b/src/Control/Moffy/Samples/Run/Gtk3.hs
@@ -110,7 +110,8 @@
 	Gtk.Widget.addEvents da $
 		Gdk.Event.ButtonPressMask .|.
 		Gdk.Event.ButtonReleaseMask .|.
-		Gdk.Event.ButtonMotionMask
+		Gdk.Event.ButtonMotionMask .|.
+		Gdk.Event.PointerMotionMask
 	G.Signal.connect_self_button_ud
 		da "button-press-event" (clicked ceo) Null
 	G.Signal.connect_self_button_ud