Index: wc-post-types.php
===================================================================
--- wc-post-types.php	(revision 1536)
+++ wc-post-types.php	(working copy)
@@ -278,6 +278,7 @@
 
 		$attr['show_avatars'] = $this->str_to_bool( $attr['show_avatars'] );
 		$attr['orderby'] = ( in_array( $attr['orderby'], array( 'date', 'title', 'rand' ) ) ) ? $attr['orderby'] : 'date';
+		$attr['order'] = strtolower( $attr['order'] );
 		$attr['order'] = ( in_array( $attr['order'], array( 'asc', 'desc') ) ) ? $attr['order'] : 'desc';
 		$attr['speaker_link'] = ( in_array( $attr['speaker_link'], array( 'permalink' ) ) ) ? $attr['speaker_link'] : '';