1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs b/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
index daa76730d..32ad31d9a 100644
--- a/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
+++ b/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
@@ -296,7 +296,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 		*/
         public override Asn1Object ToAsn1Object()
         {
-            Asn1EncodableVector v = new Asn1EncodableVector();
+            Asn1EncodableVector v = new Asn1EncodableVector(5);
             v.AddOptionalTagged(true, 0, namingAuthority);
             v.Add(professionItems);
             v.AddOptional(professionOids);