diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index 17f8c4fc1a..f78d595ab5 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -137,9 +137,14 @@ function _wp_dashboard_control_callback( $dashboard, $meta_box ) {
  */
 function wp_dashboard() {
 	$screen = get_current_screen();
+	$columns = absint( $screen->get_columns() );
+	$columns_css = '';
+	if ( $columns ) {
+		$columns_css = " columns-$columns";
+	}
 
 ?>
-<div id="dashboard-widgets" class="metabox-holder">
+<div id="dashboard-widgets" class="metabox-holder<?php echo $columns_css; ?>">
 	<div id='postbox-container-1' class='postbox-container'>
 	<?php do_meta_boxes( $screen->id, 'normal', '' ); ?>
 	</div>