--- src/cmd/ksh93/sh/init.c
+++ src/cmd/ksh93/sh/init.c	Fri Oct  8 13:16:10 2010
@@ -1709,6 +1709,7 @@
 	ip->LANG_init.nofree = 1;
 #endif /* _hdr_locale */
 	nv_stack(IFSNOD, &ip->IFS_init.hdr);
+	ip->IFS_init.hdr.nofree = 1;
 	nv_stack(PATHNOD, &ip->PATH_init);
 	nv_stack(FPATHNOD, &ip->FPATH_init);
 	nv_stack(CDPNOD, &ip->CDPATH_init);