--- src/cmd/ksh93/sh/main.c
+++ src/cmd/ksh93/sh/main.c	2006-11-20 13:47:33.000000000 +0000
@@ -389,7 +389,13 @@ static void	exfile(register Shell_t *shp
 	{
 		if(fno > 0)
 		{
-			fno = sh_iomovefd(fno);
+			int r;
+			if(fno < 10 && ((r=sh_fcntl(fno,F_DUPFD,10))>=10))
+			{
+				shp->fdstatus[r] = shp->fdstatus[fno];
+				sh_close(fno);
+				fno = r;
+			}
 			fcntl(fno,F_SETFD,FD_CLOEXEC);
 			shp->fdstatus[fno] |= IOCLEX;
 			iop = sh_iostream(fno);