-#define GTK_CHECK_BUTTON(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CHECK_BUTTON, GtkCheckButton))
-#define GTK_CHECK_BUTTON_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CHECK_BUTTON, GtkCheckButtonClass))
-#define GTK_IS_CHECK_BUTTON(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CHECK_BUTTON))
-#define GTK_IS_CHECK_BUTTON_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CHECK_BUTTON))
-#define GTK_CHECK_BUTTON_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_CHECK_BUTTON, GtkCheckButtonClass))
+#define GTK_CHECK_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CHECK_BUTTON, GtkCheckButton))
+#define GTK_CHECK_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CHECK_BUTTON, GtkCheckButtonClass))
+#define GTK_IS_CHECK_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CHECK_BUTTON))
+#define GTK_IS_CHECK_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CHECK_BUTTON))
+#define GTK_CHECK_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CHECK_BUTTON, GtkCheckButtonClass))