1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/asn1/DerEnumerated.cs b/crypto/src/asn1/DerEnumerated.cs
index f4725513e..02f3fdd47 100644
--- a/crypto/src/asn1/DerEnumerated.cs
+++ b/crypto/src/asn1/DerEnumerated.cs
@@ -34,7 +34,7 @@ namespace Org.BouncyCastle.Asn1
             if (obj is DerEnumerated derEnumerated)
                 return derEnumerated;
 
-            if (obj is IAsn1Convertible asn1Convertible)
+            if (obj is IAsn1Convertible asn1Convertible && !(obj is Asn1Object))
             {
                 Asn1Object asn1Object = asn1Convertible.ToAsn1Object();
                 if (asn1Object is DerEnumerated converted)