diff --git a/plugins/sudoers/regress/testsudoers/test3.sh b/plugins/sudoers/regress/testsudoers/test3.sh
index 3d14bd29c..ff7507e93 100755
--- a/plugins/sudoers/regress/testsudoers/test3.sh
+++ b/plugins/sudoers/regress/testsudoers/test3.sh
@@ -3,49 +3,44 @@
 # Test @includedir facility
 #
 
-parentdir="`echo $0 | sed 's:/[^/]*$::'`"
-if [ -d "$parentdir" ]; then
-	# make sure include file is owned by current user
-	rm -rf "${parentdir}/test3.d"
-	mkdir "${parentdir}/test3.d"
-	cat >"${parentdir}/test3.d/root" <<-EOF
-		root ALL = ALL
-	EOF
+TESTDIR="`pwd`/regress/testsudoers"
+# make sure include file is owned by current user
+rm -rf "$TESTDIR/test3.d"
+mkdir "$TESTDIR/test3.d"
+cat >"$TESTDIR/test3.d/root" <<-EOF
+	root ALL = ALL
+EOF
 
-	MYUID=`\ls -lnd $TESTDIR/test3.d | awk '{print $3}'`
-	MYGID=`\ls -lnd $TESTDIR/test3.d | awk '{print $4}'`
-	exec 2>&1
+MYUID=`\ls -lnd $TESTDIR/test3.d | awk '{print $3}'`
+MYGID=`\ls -lnd $TESTDIR/test3.d | awk '{print $4}'`
+exec 2>&1
 
-	echo "Testing @includedir of an unquoted path"
-	echo ""
-	./testsudoers -U $MYUID -G $MYGID root id <<-EOF
-		@includedir $TESTDIR/test3.d
-	EOF
+echo "Testing @includedir of an unquoted path"
+echo ""
+./testsudoers -U $MYUID -G $MYGID root id <<-EOF
+	@includedir $TESTDIR/test3.d
+EOF
 
-	echo ""
-	echo "Testing @includedir of a double-quoted path"
-	echo ""
-	./testsudoers -U $MYUID -G $MYGID root id <<-EOF
-		@includedir "$TESTDIR/test3.d"
-	EOF
+echo ""
+echo "Testing @includedir of a double-quoted path"
+echo ""
+./testsudoers -U $MYUID -G $MYGID root id <<-EOF
+	@includedir "$TESTDIR/test3.d"
+EOF
 
-	echo ""
-	echo "Testing #includedir of an unquoted path"
-	echo ""
-	./testsudoers -U $MYUID -G $MYGID root id <<-EOF
-		#includedir $TESTDIR/test3.d
-	EOF
+echo ""
+echo "Testing #includedir of an unquoted path"
+echo ""
+./testsudoers -U $MYUID -G $MYGID root id <<-EOF
+	#includedir $TESTDIR/test3.d
+EOF
 
-	echo ""
-	echo "Testing #includedir of a double-quoted path"
-	echo ""
-	./testsudoers -U $MYUID -G $MYGID root id <<-EOF
-		#includedir "$TESTDIR/test3.d"
-	EOF
+echo ""
+echo "Testing #includedir of a double-quoted path"
+echo ""
+./testsudoers -U $MYUID -G $MYGID root id <<-EOF
+	#includedir "$TESTDIR/test3.d"
+EOF
 
-	rm -rf "${parentdir}/test3.d"
-	exit 0
-fi
-
-echo "$0: unable to determine parent dir" 1>&2
-exit 1
+rm -rf "$TESTDIR/test3.d"
+exit 0