diff --git a/check.t b/check.t
index 30a44a5..cf08f9f 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.324 2009/10/15 12:50:11 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.325 2009/10/15 14:12:46 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 $
@@ -4386,7 +4386,7 @@ description:
 stdin:
 	test \( -f = -f \)
 	rv=$?
-	set -o sh
+	test -n "$POSH_VERSION" || set -o sh
 	echo -e $rv
 expected-stdout:
 	-e 0
@@ -6087,7 +6087,7 @@ description:
 file-setup: file 644 "test.sh"
 	print -u3 Fowl
 stdin:
-	set -o sh
+	test -n "$POSH_VERSION" || set -o sh
 	exec 3>&1
 	"$__progname" test.sh
 expected-stdout:
@@ -6584,8 +6584,8 @@ expected-stdout:
 name: echo-test-2
 description:
 	Test what the echo builtin does (POSIX)
-arguments: !-o!sh!
 stdin:
+	test -n "$POSH_VERSION" || set -o sh
 	echo -n 'foo\x40bar'
 	echo -e '\tbaz'
 expected-stdout: