diff -up easystroke-0.6.0/composite.cc.gnome3fix easystroke-0.6.0/composite.cc
--- easystroke-0.6.0/composite.cc.gnome3fix	2014-12-02 11:04:06.000305555 -0500
+++ easystroke-0.6.0/composite.cc	2014-12-02 11:04:26.039186824 -0500
@@ -27,6 +27,7 @@ Popup::Popup(int x1, int y1, int x2, int
 
 	Glib::RefPtr<Gdk::Visual> visual = get_screen()->get_rgba_visual();
 	gtk_widget_set_visual(Widget::gobj(), visual->gobj());
+	gtk_widget_set_app_paintable (Widget::gobj(), TRUE);
 	signal_draw().connect(sigc::mem_fun(*this, &Popup::on_draw));
 	realize();
 	move(x1, y1);