1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/src/asn1/crmf/ProofOfPossession.cs b/crypto/src/asn1/crmf/ProofOfPossession.cs
index 7ba7251a1..6ef62efda 100644
--- a/crypto/src/asn1/crmf/ProofOfPossession.cs
+++ b/crypto/src/asn1/crmf/ProofOfPossession.cs
@@ -38,11 +38,11 @@ namespace Org.BouncyCastle.Asn1.Crmf
 
         public static ProofOfPossession GetInstance(object obj)
         {
-            if (obj is ProofOfPossession)
-                return (ProofOfPossession)obj;
+            if (obj is ProofOfPossession proofOfPossession)
+                return proofOfPossession;
 
-            if (obj is Asn1TaggedObject)
-                return new ProofOfPossession((Asn1TaggedObject)obj);
+            if (obj is Asn1TaggedObject taggedObject)
+                return new ProofOfPossession(taggedObject);
 
             throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }