--- getgrent.c.orig	2007-12-12 12:08:02.000000000 +0200
+++ getgrent.c	2012-02-28 11:00:23.000000000 +0200
@@ -811,6 +811,7 @@ files_setgrent(void *retval, void *mdata
 			rewind(st->fp);
 		else if (stayopen)
 			st->fp = fopen(_PATH_GROUP, "r");
+		st->stayopen = stayopen;
 		break;
 	case ENDGRENT:
 		if (st->fp != NULL) {
@@ -1252,6 +1253,7 @@ compat_setgrent(void *retval, void *mdat
 			rewind(st->fp);
 		else if (stayopen)
 			st->fp = fopen(_PATH_GROUP, "r");
+		st->stayopen = stayopen;
 		set_setent(dtab, mdata);
 		(void)_nsdispatch(NULL, dtab, NSDB_GROUP_COMPAT, "setgrent",
 		    compatsrc, 0);