Index: tinycad.c
===================================================================
--- tinycad.c	(revision 23713)
+++ tinycad.c	(revision 23714)
@@ -181,7 +181,7 @@
 	if (!fname || !*fname) {
 		fname = pcb_gui->fileselect("Load tinycad netlist file...",
 																"Picks a tinycad netlist file to load.\n",
-																default_file, ".net", "tinycad", PCB_HID_FSD_READ, NULL);
+																default_file, ".net", NULL, "tinycad", PCB_HID_FSD_READ, NULL);
 		if (fname == NULL)
 			return 1;
 		if (default_file != NULL) {