Index: edit-tags.php
===================================================================
--- edit-tags.php	(revision 13211)
+++ edit-tags.php	(working copy)
@@ -21,7 +21,7 @@
 
 $title = $tax->label;
 
-if ( empty($post_type) || !in_array( $post_type, get_post_types( array('show_ui' => true) ) ) )
+if ( empty($post_type) || !in_array( $post_type, get_post_types( array('public' => true) ) ) )
 	$post_type = 'post';
 
 if ( 'post' != $post_type ) {
Index: includes/template.php
===================================================================
--- includes/template.php	(revision 13211)
+++ includes/template.php	(working copy)
@@ -3691,7 +3691,7 @@
 	$columns = array('dashboard' => 4, 'post' => 2, 'page' => 2, 'link' => 2);
 
 	// Add custom post types
-	foreach ( get_post_types( array('show_ui' => true) ) as $post_type )
+	foreach ( get_post_types( array('public' => true) ) as $post_type )
 		$columns[$post_type] = 2;
 
 	$columns = apply_filters('screen_layout_columns', $columns, $screen->id, $screen);