-#define GTK_ACCEL_LABEL(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_ACCEL_LABEL, GtkAccelLabel))
-#define GTK_ACCEL_LABEL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACCEL_LABEL, GtkAccelLabelClass))
-#define GTK_IS_ACCEL_LABEL(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_ACCEL_LABEL))
-#define GTK_IS_ACCEL_LABEL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ACCEL_LABEL))
-#define GTK_ACCEL_LABEL_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_ACCEL_LABEL, GtkAccelLabelClass))
+#define GTK_ACCEL_LABEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ACCEL_LABEL, GtkAccelLabel))
+#define GTK_ACCEL_LABEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACCEL_LABEL, GtkAccelLabelClass))
+#define GTK_IS_ACCEL_LABEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ACCEL_LABEL))
+#define GTK_IS_ACCEL_LABEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ACCEL_LABEL))
+#define GTK_ACCEL_LABEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ACCEL_LABEL, GtkAccelLabelClass))