Index: wp-admin/edit-form-advanced.php
===================================================================
--- wp-admin/edit-form-advanced.php	(revision 20556)
+++ wp-admin/edit-form-advanced.php	(working copy)
@@ -243,7 +243,7 @@
 require_once('./admin-header.php');
 ?>
 
-<div class="wrap columns-<?php echo (int) $screen_layout_columns ? (int) $screen_layout_columns : 'auto'; ?>">
+<div class="wrap columns-<?php echo $screen_layout_columns = (int) $screen_layout_columns ? (int) $screen_layout_columns : 'auto'; ?>">
 <?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>
 <?php if ( $notice ) : ?>