diff --git a/src/ac/newformat.c b/src/ac/newformat.c
index 7c593085..6b7dd8e9 100644
--- a/src/ac/newformat.c
+++ b/src/ac/newformat.c
@@ -101,9 +101,9 @@ ASN1_SEQUENCE(AC_IETFATTR) = {
 IMPLEMENT_ASN1_FUNCTIONS(AC_IETFATTR)
 
 ASN1_SEQUENCE(AC_TARGET) = {
-  ASN1_EXP(AC_TARGET, name, GENERAL_NAME, 0),
-  ASN1_EXP(AC_TARGET, group, GENERAL_NAME, 1),
-  ASN1_EXP(AC_TARGET, cert, AC_IS, 2),
+  ASN1_EXP_OPT(AC_TARGET, name, GENERAL_NAME, 0),
+  ASN1_EXP_OPT(AC_TARGET, group, GENERAL_NAME, 1),
+  ASN1_EXP_OPT(AC_TARGET, cert, AC_IS, 2),
 } ASN1_SEQUENCE_END(AC_TARGET)
 
 IMPLEMENT_ASN1_FUNCTIONS(AC_TARGET)