per support

diff --git a/tests/94-set-optionals-OK.asn1.-P b/tests/94-set-optionals-OK.asn1.-P
index 879cb06..56596cd 100644
--- a/tests/94-set-optionals-OK.asn1.-P
+++ b/tests/94-set-optionals-OK.asn1.-P
@@ -187,7 +187,7 @@
 	SET_encode_der,
 	SET_decode_xer,
 	SET_encode_xer,
-	0,	/* No PER decoder, -gen-PER to enable */
+	0, 0,	/* No PER support, use "-gen-PER" to enable */
 	0,	/* Use generic outmost tag fetcher */
 	asn_DEF_TestSet_tags_1,
 	sizeof(asn_DEF_TestSet_tags_1)