Index: trunk/src/wp-admin/edit-form-advanced.php
===================================================================
--- trunk/src/wp-admin/edit-form-advanced.php (revision 25029)
+++ trunk/src/wp-admin/edit-form-advanced.php (revision 25030)
@@ -369,5 +369,5 @@
$sample_permalink_html = $post_type_object->public ? get_sample_permalink_html($post->ID) : '';
$shortlink = wp_get_shortlink($post->ID, 'post');
-if ( !empty($shortlink) )
+if ( !empty( $shortlink ) && $shortlink !== get_permalink( $post->ID ) )
$sample_permalink_html .= '' . __('Get Shortlink') . '';