diff --git a/pug/defaults.js b/pug/defaults.js
index 0522098..90f81e2 100644
--- a/pug/defaults.js
+++ b/pug/defaults.js
@@ -13,9 +13,10 @@ export const DEFAULT_PUG_OPTIONS = {
 
 	/**
 	 *	The root directory of all absolute inclusion.
-	 *	@type {String}
+	 *	@type {String|undefined}
+	 *	@default undefined
 	 */
-	basedir: '.',
+	basedir: undefined,
 
 	/**
 	 *	If the doctype is not specified as part of the template, you can specify it here.
diff --git a/pug/extension.js b/pug/extension.js
index 50da72d..09fe1a3 100644
--- a/pug/extension.js
+++ b/pug/extension.js
@@ -44,13 +44,20 @@ const extension = {
 			debugDev('rendering... received arg: %O',		arg)
 			debug(	 'about to render... inputPath: %O', 	inputPath)
 
-			//	TODO: clean up the setup and updating of options
 			const renderOptions = Object.assign(
 				{},
 				{
-					basedir: arg.eleventy.directories.includes,
+					basedir: extension.options.basedir ?? arg.eleventy.directories.includes,
 					filename: inputPath,
 					filters: extension.options.filters,
+					doctype: extension.options.doctype,
+					pretty: extension.options.pretty,
+					self: extension.options.self,
+					debug: extension.options.debug,
+					compileDebug: extension.options.compileDebug,
+					globals: extension.options.globals,
+					cache: extension.options.cache,
+					inlineRuntimeFunctions: extension.options.inlineRuntimeFunctions,
 				},
 				arg
 			)