Index: wp-admin/edit-form-advanced.php
===================================================================
--- wp-admin/edit-form-advanced.php	(revision 18589)
+++ wp-admin/edit-form-advanced.php	(working copy)
@@ -195,7 +195,7 @@
 
 <div class="wrap">
 <?php screen_icon(); ?>
-<h2><?php echo esc_html( $title ); ?><?php if ( isset( $post_new_file ) ) : ?> <a href="<?php echo esc_url( $post_new_file ) ?>" class="add-new-h2"><?php echo esc_html($post_type_object->labels->add_new); ?></a><?php endif; ?></h2>
+<h2><?php echo esc_html( $title ); ?><?php if ( isset( $post_new_file ) ) : ?> <a href="<?php echo admin_url( $post_new_file ) ?>" class="add-new-h2"><?php echo esc_html( $post_type_object->labels->add_new ); ?></a><?php endif; ?></h2>
 <?php if ( $notice ) : ?>
 <div id="notice" class="error"><p><?php echo $notice ?></p></div>
 <?php endif; ?>
Index: wp-admin/edit.php
===================================================================
--- wp-admin/edit.php	(revision 18589)
+++ wp-admin/edit.php	(working copy)
@@ -186,7 +186,7 @@
 ?>
 <div class="wrap">
 <?php screen_icon(); ?>
-<h2><?php echo esc_html( $post_type_object->labels->name ); ?> <a href="<?php echo $post_new_file ?>" class="add-new-h2"><?php echo esc_html($post_type_object->labels->add_new); ?></a> <?php
+<h2><?php echo esc_html( $post_type_object->labels->name ); ?> <a href="<?php echo admin_url( $post_new_file ); ?>" class="add-new-h2"><?php echo esc_html( $post_type_object->labels->add_new ); ?></a> <?php
 if ( isset($_REQUEST['s']) && $_REQUEST['s'] )
 	printf( '<span class="subtitle">' . __('Search results for &#8220;%s&#8221;') . '</span>', get_search_query() ); ?>
 </h2>