diff --git a/classes/backends/ComicPressBackendFilesystem.inc b/classes/backends/ComicPressBackendFilesystem.inc
index 6747f21..9631dcb 100644
--- a/classes/backends/ComicPressBackendFilesystem.inc
+++ b/classes/backends/ComicPressBackendFilesystem.inc
@@ -44,6 +44,7 @@ class ComicPressBackendFilesystem extends ComicPressBackend {
 
 	function _replace_type($post, $type) { return $type;	}
 	function _replace_y_m_d($post, $type) { return date('Y-m-d', strtotime($post->post_date));	}
+	function _replace_ymd($post, $type) { return date('Ymd', strtotime($post->post_date));	}
 	function _replace_year($post, $type) { return date('Y', strtotime($post->post_date));	}
 	function _replace_categories($post, $type) {
 		if (count($post_categories = wp_get_post_categories($post->ID)) == 1) {
diff --git a/test/backends/ComicPressBackendFilesystemTest.php b/test/backends/ComicPressBackendFilesystemTest.php
index f95457f..1f0fa12 100644
--- a/test/backends/ComicPressBackendFilesystemTest.php
+++ b/test/backends/ComicPressBackendFilesystemTest.php
@@ -22,6 +22,7 @@ class ComicPressBackendFilesystemTest extends PHPUnit_Framework_TestCase {
 			array('%test%/comic/*.jpg', array('/comic/*.jpg')),
 			array('%wordpress%/%type%/*.jpg', array('/wordpress/comic/*.jpg')),
 			array('%wordpress%/comic/%y-m-d%*.jpg', array('/wordpress/comic/2009-01-01*.jpg')),
+			array('%wordpress%/comic/%ymd%*.jpg', array('/wordpress/comic/20090101*.jpg')),
 			array('%wordpress%/comic/%year%/%y-m-d%*.jpg', array('/wordpress/comic/2009/2009-01-01*.jpg')),
 			array(
 			  '%wordpress%/comic/%categories%/%y-m-d%*.jpg',