diff --git a/src/mscorlib/src/System/Reflection/MdConstant.cs b/src/mscorlib/src/System/Reflection/MdConstant.cs
index 8e5b65724d81..733703990814 100644
--- a/src/mscorlib/src/System/Reflection/MdConstant.cs
+++ b/src/mscorlib/src/System/Reflection/MdConstant.cs
@@ -94,6 +94,9 @@ public static unsafe Object GetValue(MetadataImport scope, int token, RuntimeTyp
                         defaultValue = buffer;
                         break;
 
+                    case CorElementType.Class:
+                        return null;
+
                     default:
                         throw new FormatException(SR.Arg_BadLiteralFormat);
                         #endregion