diff --git a/argv.js b/argv.js
index 61e4585..4453cf9 100644
--- a/argv.js
+++ b/argv.js
@@ -799,6 +799,9 @@ object.Constructor('Parser', {
 					&& key.replace(this.optionInputPattern, '$2') == 'help'
 					&& this['-help'] == '-h'){
 				for(var n in this){
+					// skip non-options...
+					if(/^[\w_]/.test(n)){
+						continue }
 					// only print if extended help available...
 					if(this[n] instanceof Parser){
 						return this.extendedHelp.handler.call(this, ...arguments) } } }
@@ -969,6 +972,9 @@ object.Constructor('Parser', {
 
 			// print help for nested parsers...
 			for(var n in this){
+				// skip non-options...
+				if(/^[\w_]/.test(n)){
+					continue }
 				// doc...
 				if(this[n] instanceof Parser 
 						&& this[n].doc !== false){
diff --git a/package.json b/package.json
index 5affc5c..39d802b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-argv",
-  "version": "2.16.9",
+  "version": "2.16.10",
   "description": "simple argv parser",
   "main": "argv.js",
   "scripts": {