diff --git a/sundown_markdown.c b/sundown_markdown.c
index 446acaf..79ed0d9 100644
--- a/sundown_markdown.c
+++ b/sundown_markdown.c
@@ -269,6 +269,11 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_sundown_markdown_render, 0, 0, 1)
 	ZEND_ARG_INFO(0, body)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_INFO_EX(arginfo_sundown_markdown_set_render, 0, 0, 1)
+	ZEND_ARG_INFO(0, render)
+ZEND_END_ARG_INFO()
+
+
 ZEND_BEGIN_ARG_INFO_EX(arginfo_sundown_markdown_set_extensions, 0, 0, 1)
 	ZEND_ARG_INFO(0, extension)
 ZEND_END_ARG_INFO()
@@ -590,11 +595,35 @@ PHP_METHOD(sundown_markdown, getRender)
 }
 /* }}} */
 
+/* {{{ proto void string Sundown\Markdown::setRender(Sundown\Render\Base $render)
+*/
+PHP_METHOD(sundown_markdown, setRender)
+{
+	zval *render = NULL;
+	php_sundown_markdown_t *object = (php_sundown_markdown_t *) zend_object_store_get_object(getThis() TSRMLS_CC);
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
+		"z", &render) == FAILURE) {
+		return;
+	}
+
+	if (!instanceof_function_ex(Z_OBJCE_P(render), sundown_render_base_class_entry, 0 TSRMLS_CC)) {
+		zend_throw_exception_ex(spl_ce_InvalidArgumentException, 0 TSRMLS_CC,"Render class must extend Sundown\\Render\\Base");
+		return;
+	}
+	zval_ptr_dtor(&object->render);
+	object->render = render;
+	Z_ADDREF_P(render);
+}
+/* }}} */
+
+
 static zend_function_entry php_sundown_markdown_methods[] = {
 	PHP_ME(sundown_markdown, __construct, arginfo_sundown_markdown__construct, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, __destruct, NULL, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, render, arginfo_sundown_markdown_render, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, getRender, NULL, ZEND_ACC_PUBLIC)
+	PHP_ME(sundown_markdown, setRender, arginfo_sundown_markdown_set_render, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, getExtensions, NULL, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, setExtensions, arginfo_sundown_markdown_set_extensions, ZEND_ACC_PUBLIC)
 	PHP_ME(sundown_markdown, hasExtension, arginfo_sundown_markdown_has_extension, ZEND_ACC_PUBLIC)
diff --git a/tests/003-advanced-set-render.phpt b/tests/003-advanced-set-render.phpt
new file mode 100755
index 0000000..3021d79
--- /dev/null
+++ b/tests/003-advanced-set-render.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Check for Sundown\Markdown::setRender
+--SKIPIF--
+<?php if (!extension_loaded("sundown")) print "skip"; ?>
+--FILE--
+<?php
+$render = new Sundown\Render\HTML_TOC();
+$data = <<<EOH
+# Hello World
+
+lorem ipsum dolar sit amet
+
+## the World, What a beautiful it is.
+
+lorem ipsum dolar sit amet
+
+EOH;
+
+$md = new Sundown\Markdown($render);
+echo "TOC_DATA\n";
+echo $md->render($data);
+echo "DATA\n";
+$md->setRender(new Sundown\Render\HTML(array("with_toc_data"=>true)));
+echo $md->render($data);
+$render = new Sundown\Render\HTML(array("with_toc_data"=>true));
+$md->setRender($render);
+echo $md->render($data);
+$md->setRender(new Sundown\Render\HTML(array("with_toc_data"=>true)));
+echo "#check render was not destroyed\n";
+if($render instanceof Sundown\Render\HTML) {
+echo "OK";
+} else {
+echo "FAILURE";
+}
+
+--EXPECT--
+TOC_DATA
+<ul>
+<li>
+<a href="#toc_0">Hello World</a>
+<ul>
+<li>
+<a href="#toc_1">the World, What a beautiful it is.</a>
+</li>
+</ul>
+</li>
+</ul>
+DATA
+<h1 id="toc_0">Hello World</h1>
+<p>lorem ipsum dolar sit amet</p>
+<h2 id="toc_1">the World, What a beautiful it is.</h2>
+<p>lorem ipsum dolar sit amet</p>
+<h1 id="toc_0">Hello World</h1>
+<p>lorem ipsum dolar sit amet</p>
+<h2 id="toc_1">the World, What a beautiful it is.</h2>
+<p>lorem ipsum dolar sit amet</p>
+#check render was not destroyed
+OK
\ No newline at end of file