diff --git a/src/CommandLine/Error.cs b/src/CommandLine/Error.cs
index b1bc3e94..90ee26d8 100644
--- a/src/CommandLine/Error.cs
+++ b/src/CommandLine/Error.cs
@@ -64,7 +64,8 @@ public enum ErrorType
///
/// Value of type.
///
- SetValueExceptionError
+ SetValueExceptionError,
+
VersionRequestedError,
///
/// Value of type.