1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/asn1/crmf/OptionalValidity.cs b/crypto/src/asn1/crmf/OptionalValidity.cs
index d608ea5d1..722705232 100644
--- a/crypto/src/asn1/crmf/OptionalValidity.cs
+++ b/crypto/src/asn1/crmf/OptionalValidity.cs
@@ -59,7 +59,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
          */
         public override Asn1Object ToAsn1Object()
         {
-            Asn1EncodableVector v = new Asn1EncodableVector();
+            Asn1EncodableVector v = new Asn1EncodableVector(2);
             v.AddOptionalTagged(true, 0, notBefore);
             v.AddOptionalTagged(true, 1, notAfter);
             return new DerSequence(v);