diff --git a/Build.sh b/Build.sh
index a6c74eb..0e0f96a 100644
--- a/Build.sh
+++ b/Build.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# $MirOS: src/bin/mksh/Build.sh,v 1.88 2007/01/11 00:57:56 tg Exp $
+# $MirOS: src/bin/mksh/Build.sh,v 1.89 2007/01/11 02:08:49 tg Exp $
 #-
 # Environment: CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS, NROFF
 # With -x: SRCS (extra), sigseen (XXX go away), TARGET_OS
@@ -84,7 +84,7 @@ fi
 
 : ${CFLAGS='-O2 -fno-strict-aliasing -Wall'}
 : ${CC=gcc} ${NROFF=nroff}
-curdir=`pwd` srcdir=`dirname "$0"`
+curdir=`pwd` srcdir=`dirname "$0"` check_categories=pdksh
 echo | $NROFF -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c"
 
 e=echo
@@ -210,6 +210,7 @@ if test 0 = $HAVE_MKSH_FULL; then
 	test 1 = $HAVE_CAN_FNOINLINE || CFLAGS=$save_CFLAGS
 
 	HAVE_LANGINFO_CODESET=0
+	check_categories=$check_categories,smksh
 fi
 
 save_CFLAGS=$CFLAGS
@@ -300,7 +301,7 @@ case $curdir in
 *)	echo "#!$curdir/mksh" >test.sh ;;
 esac
 echo "exec perl '$srcdir/check.pl' -s '$srcdir/check.t'" \
-    "-p '$curdir/mksh' -C pdksh \$*" >>test.sh
+    "-p '$curdir/mksh' -C $check_categories \$*" >>test.sh
 chmod 755 test.sh
 i=install
 test -f /usr/ucb/$i && i=/usr/ucb/$i
diff --git a/check.t b/check.t
index 9591d47..721cf7a 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.79 2007/01/11 00:32:30 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.80 2007/01/11 02:08:50 tg Exp $
 # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@@ -3862,7 +3862,7 @@ name: persist-history-1
 description:
 	Check if persistent history saving works
 # we don't have persistent history on Solaris (no flock)
-category: !os:solaris,!os:plan9,pdksh
+category: !os:solaris,!os:plan9,pdksh,!smksh
 arguments: !-i!
 env-setup: !ENV=./Env!HISTFILE=hist.file!
 file-setup: file 644 "Env"