diff --git a/code/GoogleSitemap.php b/code/GoogleSitemap.php
index 9fe456f..8217dfa 100644
--- a/code/GoogleSitemap.php
+++ b/code/GoogleSitemap.php
@@ -182,6 +182,15 @@ class GoogleSitemap {
 	 * @return ArrayList
 	 */
 	public static function get_items($class, $page = 1) {
+		//normalise the class name
+		try {
+			$reflectionClass = new ReflectionClass($class);
+			$class = $reflectionClass->getName();
+		} catch (ReflectionException $e) {
+			// this can happen when $class is GoogleSitemapRoute
+			//we should try to carry on
+		}
+
 		$output = new ArrayList();
 		$count = Config::inst()->get('GoogleSitemap', 'objects_per_sitemap');
 		$filter =  Config::inst()->get('GoogleSitemap', 'use_show_in_search');
diff --git a/tests/GoogleSitemapTest.php b/tests/GoogleSitemapTest.php
index ff2b313..808c7e9 100644
--- a/tests/GoogleSitemapTest.php
+++ b/tests/GoogleSitemapTest.php
@@ -89,7 +89,7 @@ class GoogleSitemapTest extends FunctionalTest {
 
 		$expected = "<loc>". Director::absoluteURL("sitemap.xml/sitemap/GoogleSitemapTest_UnviewableDataObject/2") ."</loc>";
 		$this->assertEquals(0, substr_count($body, $expected) , 'A link to a GoogleSitemapTest_UnviewableDataObject does not exist');
-	} 
+	}
 
 	public function testLastModifiedDateOnRootXML() {
 		Config::inst()->update('GoogleSitemap', 'enabled', true);
@@ -161,6 +161,19 @@ class GoogleSitemapTest extends FunctionalTest {
 		Config::inst()->update('GoogleSitemap', 'objects_per_sitemap', $original);
 	}
 
+	public function testAccessingNestedSiteMapCaseInsensitive() {
+		$original = Config::inst()->get('GoogleSitemap', 'objects_per_sitemap');
+		Config::inst()->update('GoogleSitemap', 'objects_per_sitemap', 1);
+		GoogleSitemap::register_dataobject("GoogleSitemapTest_DataObject");
+
+		$response = $this->get('sitemap.xml/sitemap/googlesitemaptest_dataobject/1');
+		$body = $response->getBody();
+
+		$this->assertEquals(200, $response->getStatusCode(), 'successful loaded nested sitemap');
+
+		Config::inst()->update('GoogleSitemap', 'objects_per_sitemap', $original);
+	}
+
 	public function testGetItemsWithPages() {
 		if(!class_exists('Page')) {
 			$this->markTestIncomplete('No cms module installed, page related test skipped');