1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/asn1/x509/CertificatePair.cs b/crypto/src/asn1/x509/CertificatePair.cs
index 69861e1dc..055144464 100644
--- a/crypto/src/asn1/x509/CertificatePair.cs
+++ b/crypto/src/asn1/x509/CertificatePair.cs
@@ -128,7 +128,7 @@ namespace Org.BouncyCastle.Asn1.X509
 		*/
         public override Asn1Object ToAsn1Object()
         {
-            Asn1EncodableVector v = new Asn1EncodableVector();
+            Asn1EncodableVector v = new Asn1EncodableVector(2);
             v.AddOptionalTagged(true, 0, forward);
             v.AddOptionalTagged(true, 1, reverse);
             return new DerSequence(v);