Index: export_openems.c
===================================================================
--- export_openems.c	(revision 36998)
+++ export_openems.c	(revision 36999)
@@ -731,7 +731,7 @@
 	return rnd_hid_parse_command_line(argc, argv);
 }
 
-static int openems_set_layer_group(rnd_hid_t *hid, rnd_layergrp_id_t group, const char *purpose, int purpi, rnd_layer_id_t layer, unsigned int flags, int is_empty, rnd_xform_t **xform)
+static int openems_set_layer_group(rnd_hid_t *hid, rnd_design_t *design, rnd_layergrp_id_t group, const char *purpose, int purpi, rnd_layer_id_t layer, unsigned int flags, int is_empty, rnd_xform_t **xform)
 {
 	if (flags & PCB_LYT_COPPER) { /* export copper layers only */
 		ems_ctx->clayer = ems_ctx->lg_pcb2ems[group];