Index: layer_grp.c
===================================================================
--- layer_grp.c	(revision 19117)
+++ layer_grp.c	(revision 19118)
@@ -583,7 +583,7 @@
 		return 0;
 
 	if (pcb_gui->set_layer_group != NULL)
-		return pcb_gui->set_layer_group(grp, pcb->LayerGroups.grp[grp].lid[0], pcb_layergrp_flags(pcb, grp), is_empty);
+		return pcb_gui->set_layer_group(grp, pcb->LayerGroups.grp[grp].purpose, pcb->LayerGroups.grp[grp].purpi, pcb->LayerGroups.grp[grp].lid[0], pcb_layergrp_flags(pcb, grp), is_empty);
 
 	/* if the GUI doesn't have a set_layer, assume it wants to draw all layers */
 	return 1;