Index: wp-admin/includes/internal-linking.php
===================================================================
--- wp-admin/includes/internal-linking.php	(revision 16495)
+++ wp-admin/includes/internal-linking.php	(working copy)
@@ -54,7 +54,7 @@
 
 		$results[] = array(
 			'ID' => $post->ID,
-			'title' => esc_html( strip_tags($post->post_title) ),
+			'title' => esc_html( strip_tags( _draft_or_post_title( $post->ID ) ) ),
 			'permalink' => get_permalink( $post->ID ),
 			'info' => $info,
 		);