diff --git a/src/Microsoft.AspNet.Authentication/CertificateSubjectKeyIdentifierValidator.cs b/src/Microsoft.AspNet.Authentication/CertificateSubjectKeyIdentifierValidator.cs
index 3e19a3e686..a4705a9546 100644
--- a/src/Microsoft.AspNet.Authentication/CertificateSubjectKeyIdentifierValidator.cs
+++ b/src/Microsoft.AspNet.Authentication/CertificateSubjectKeyIdentifierValidator.cs
@@ -27,7 +27,7 @@ namespace Microsoft.AspNet.Authentication
 
             if (_validSubjectKeyIdentifiers.Count == 0)
             {
-                throw new ArgumentOutOfRangeException("validSubjectKeyIdentifiers");
+                throw new ArgumentOutOfRangeException(nameof(_validSubjectKeyIdentifiers));
             }
         }