diff --git a/wp-admin/includes/class-wp-list-table.php b/wp-admin/includes/class-wp-list-table.php
index ee6c6e5700..546e3a062f 100644
--- a/wp-admin/includes/class-wp-list-table.php
+++ b/wp-admin/includes/class-wp-list-table.php
@@ -845,7 +845,7 @@ class WP_List_Table {
 
 		$pagination_links_class = 'pagination-links';
 		if ( ! empty( $infinite_scroll ) ) {
-			$pagination_links_class = ' hide-if-js';
+			$pagination_links_class .= ' hide-if-js';
 		}
 		$output .= "\n<span class='$pagination_links_class'>" . join( "\n", $page_links ) . '</span>';
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 1efb823c8e..60d86d47dd 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41018';
+$wp_version = '4.9-alpha-41019';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.