Index: io_hyp.c
===================================================================
--- io_hyp.c	(revision 26786)
+++ io_hyp.c	(revision 26787)
@@ -76,7 +76,7 @@
 	PCB_ACT_MAY_CONVARG(1, FGW_STR, LoadhypFrom, fname = argv[1].val.str);
 
 	if ((fname == NULL) || (*fname == '\0')) {
-		fname = pcb_gui->fileselect(
+		fname = pcb_gui->fileselect(pcb_gui,
 			"Load .hyp file...", "Picks a hyperlynx file to load.\n", "default.hyp",
 			".hyp", NULL, "hyp", PCB_HID_FSD_READ, NULL);
 	}