Index: dxf.c
===================================================================
--- dxf.c	(revision 37052)
+++ dxf.c	(revision 37053)
@@ -203,7 +203,7 @@
 	const char *suffix = ".dxf";
 	const char *val = dxf_values[HA_dxffile].str;
 	if ((PCB != NULL) && ((val == NULL) || (*val == '\0')))
-		pcb_derive_default_filename(PCB->hidlib.filename, &dxf_values[HA_dxffile], suffix);
+		pcb_derive_default_filename(PCB->hidlib.loadname, &dxf_values[HA_dxffile], suffix);
 
 	if (n)
 		*n = NUM_OPTIONS;