Index: mucs.c
===================================================================
--- mucs.c	(revision 25226)
+++ mucs.c	(revision 25227)
@@ -90,7 +90,7 @@
 			default_file = pcb_strdup(fname);
 	}
 
-	fi = pcb_fopen(fname, "r");
+	fi = pcb_fopen(&PCB->hidlib, fname, "r");
 	if (!fi) {
 		pcb_message(PCB_MSG_ERROR, "Can't load mucs unixplot file %s for read\n", fname);
 		PCB_ACT_IRES(1);