diff --git a/src/command.ts b/src/command.ts
index e0f48c8..22ca181 100644
--- a/src/command.ts
+++ b/src/command.ts
@@ -316,7 +316,7 @@ export class MassargCommand<Args extends ArgsObject = ArgsObject> {
     // fill defaults
     for (const option of this.options) {
       if (option.defaultValue !== undefined && _a[option.name] === undefined) {
-        _args[option.name as keyof Args] = option.defaultValue as Args[keyof Args]
+        _args[option.getOutputName() as keyof Args] = option.defaultValue as Args[keyof Args]
       }
     }
 
@@ -336,7 +336,8 @@ export class MassargCommand<Args extends ArgsObject = ArgsObject> {
       if (command) {
         // this is dry run, just exit
         if (!parseCommands) {
-          break
+          return command.getArgs(_argv, this.args, parent ?? this, false)
+          // break
         }
         // this is real run, parse command, pass unparsed args
         return command.parse(_argv, this.args, parent ?? this)
@@ -385,7 +386,6 @@ export class MassargHelpCommand<T extends ArgsObject = ArgsObject> extends Massa
       name: 'help',
       aliases: ['h'],
       description: 'Print help for this command, or a subcommand if specified',
-      // argsHint: "[command]",
       run: (args, parent) => {
         if (args.command) {
           const command = parent.commands.find((c) => c.name === args.command)
diff --git a/src/error.ts b/src/error.ts
index 4601d07..a1788b5 100644
--- a/src/error.ts
+++ b/src/error.ts
@@ -1,5 +1,7 @@
 import { z } from 'zod'
 
+export type ValidationErrorOptions = { path: string[]; code: string; message: string }
+
 /** This error is thrown when a validation fails. */
 export class ValidationError extends Error {
   /** The path to the value that failed validation. */
@@ -9,7 +11,7 @@ export class ValidationError extends Error {
   /** The error message. */
   message: string
 
-  constructor({ path, code, message }: { path: string[]; code: string; message: string }) {
+  constructor({ path, code, message }: ValidationErrorOptions) {
     const msg = `${path.join('.')}: ${message}`
     super(msg)
     this.path = path
@@ -19,6 +21,13 @@ export class ValidationError extends Error {
   }
 }
 
+export type ParseErrorOptions = {
+  path: string[]
+  code: string
+  message: string
+  received?: unknown
+}
+
 /** This error is thrown when a parse fails on an option value. */
 export class ParseError extends Error {
   /** The path to the value that failed parsing. */
@@ -30,17 +39,7 @@ export class ParseError extends Error {
   /** The value that failed parsing. */
   received: unknown
 
-  constructor({
-    path,
-    code,
-    message,
-    received,
-  }: {
-    path: string[]
-    code: string
-    message: string
-    received?: unknown
-  }) {
+  constructor({ path, code, message, received }: ParseErrorOptions) {
     let msg = `${path.join('.')}: ${message}`
     if (received) {
       msg += ` (received: ${received})`
diff --git a/src/option.ts b/src/option.ts
index f42eb4a..18760e6 100644
--- a/src/option.ts
+++ b/src/option.ts
@@ -135,6 +135,10 @@ export class MassargOption<T = unknown> {
     return new MassargOption(config as OptionConfig<T>)
   }
 
+  getOutputName(): string {
+    return this.outputName || toCamelCase(this.name)
+  }
+
   _parseDetails(argv: string[]): ArgvValue<T> {
     // TODO: support --option=value
     let input = ''
@@ -150,7 +154,7 @@ export class MassargOption<T = unknown> {
       argv.shift()
       input = argv.shift()!
       const value = this.parse(input)
-      return { key: this.outputName || toCamelCase(this.name), value, argv }
+      return { key: this.getOutputName(), value, argv }
     } catch (e) {
       if (isZodError(e)) {
         throw new ParseError({
diff --git a/test/command.test.ts b/test/command.test.ts
index d9b6b2f..eb0c3a1 100644
--- a/test/command.test.ts
+++ b/test/command.test.ts
@@ -1,5 +1,4 @@
 import { MassargCommand } from '../src/command'
-import { defaultHelpConfig } from '../src/help'
 import { massarg } from '../src/index'
 
 const opts = {
@@ -55,7 +54,7 @@ describe('getArgs', () => {
       massarg(opts)
         .command({ name: 'test', description: 'test', run: jest.fn() })
         .getArgs(['test', '--test', 'test']),
-    ).toEqual({})
+    ).toEqual({ extra: ['--test', 'test'] })
   })
 
   test('alias', () => {
@@ -138,7 +137,7 @@ describe('getArgs', () => {
         .getArgs(['test3']),
     ).toEqual({})
   })
-  test.skip('extra values', () => {
+  test('extra values', () => {
     expect(
       massarg(opts)
         .command({