Index: dxf.c
===================================================================
--- dxf.c	(revision 29225)
+++ dxf.c	(revision 29226)
@@ -335,7 +335,7 @@
 	fclose(dxf_ctx.f);
 
 	if (pcb_cam_end(&dxf_cam) == 0)
-		if (!dxf_cam.okempty)
+		if (!dxf_cam.okempty_group)
 			pcb_message(PCB_MSG_ERROR, "dxf cam export for '%s' failed to produce any content (layer group missing)\n", options[HA_cam].str);
 }