diff --git a/sbin/mdconfig/tests/legacy_test.sh b/sbin/mdconfig/tests/legacy_test.sh
index f5843b3098fd..728224dbd975 100644
--- a/sbin/mdconfig/tests/legacy_test.sh
+++ b/sbin/mdconfig/tests/legacy_test.sh
@@ -38,7 +38,7 @@ fi
 
 TESTDIR=$(dirname $(realpath $0))
 
-__PERL__ -w -U $TESTDIR/run $TESTDIR/mdconfig.test > /dev/null
+__PERL__ -w -U $TESTDIR/run.pl $TESTDIR/mdconfig.test > /dev/null
 
 if [ $? -eq 0 ]; then
 	echo "ok 1"