Index: work/gtk/layersel/layersel_demo.c
===================================================================
--- work/gtk/layersel/layersel_demo.c	(revision 8520)
+++ work/gtk/layersel/layersel_demo.c	(revision 8521)
@@ -11,6 +11,9 @@
 	pcb_gtk_layersel_t ls;
 
 	memset(&ls, 0, sizeof(ls));
+	ls.grp[0].on = 1;
+	ls.grp[1].on = 1;
+	ls.grp[2].on = 1;
 
 	/* Initialize the widget set */
 	gtk_init(&argc, &argv);