diff --git a/src/cmd/ksh93/tests/attributes.sh b/src/cmd/ksh93/tests/attributes.sh
index d3c2e0e8d..59b8acaf9 100755
--- a/src/cmd/ksh93/tests/attributes.sh
+++ b/src/cmd/ksh93/tests/attributes.sh
@@ -109,8 +109,9 @@ fi
 if	[[ -o ?posix && $("$SHELL" -o posix -c 'xi=xi+4;echo $xi') != "xi+4" ]]
 then	err_exit "attributes imported despite posix mode (-o posix)"
 fi
-ln -s "$SHELL" "$tmp/sh"
-if	[[ $("$tmp/sh" -c 'xi=xi+4;echo $xi') != "xi+4" ]]
+if	[[ -o ?posix ]] &&
+	ln -s "$SHELL" "$tmp/sh" &&
+	[[ $("$tmp/sh" -c 'xi=xi+4;echo $xi') != "xi+4" ]]
 then	err_exit "attributes imported despite posix mode (invoked as sh)"
 fi
 x=$(foo=abc $SHELL <<!
diff --git a/src/cmd/ksh93/tests/options.sh b/src/cmd/ksh93/tests/options.sh
index 8232db31a..53a1b349b 100755
--- a/src/cmd/ksh93/tests/options.sh
+++ b/src/cmd/ksh93/tests/options.sh
@@ -534,6 +534,7 @@ print $'alias print=:\nprint foobar' > dotfile
 # ======
 # test that '-o posix' option (not having a letter) does not affect "$-" expansion
 # other than B = braceexpand
+if [[ -o ?posix ]]; then
 (
 	command set +o posix 2>/dev/null
 	opt1=${-/B/}
@@ -541,6 +542,7 @@ print $'alias print=:\nprint foobar' > dotfile
 	opt2=$-
 	[[ $opt1 == "$opt2" ]]
 ) || err_exit '-o posix option affects $- expansion'
+fi
 
 # ======
 # ksh 93u+ did not honor 'monitor' option on command line (rhbz#960034)