Index: trunk/src_plugins/io_lihata/write.c
===================================================================
--- trunk/src_plugins/io_lihata/write.c	(revision 8672)
+++ trunk/src_plugins/io_lihata/write.c	(revision 8673)
@@ -989,6 +989,10 @@
 		events.output_rules = io_lihata_out_rules;
 
 		res = lhtpers_fsave_as(&events, brd, inf, FP, old_filename, &errmsg);
+		if (res == LHTPERS_ERR_ROOT_MISMATCH) {
+			/* different lht file; the user requested the save, including overwrite, so do that */
+			res = lhtpers_fsave_as(&events, brd, NULL, FP, old_filename, &errmsg);
+		}
 		if (res != 0) {
 			FILE *fe;
 			char *fe_name = pcb_concat(old_filename, ".mem.lht", NULL);