diff --git a/wp-includes/admin-bar.php b/wp-includes/admin-bar.php
index 3d03ec98dc..b5b0d6a59f 100644
--- a/wp-includes/admin-bar.php
+++ b/wp-includes/admin-bar.php
@@ -621,7 +621,7 @@ function wp_admin_bar_updates_menu( $wp_admin_bar ) {
 function wp_admin_bar_search_menu( $wp_admin_bar ) {
 	$form  = '<div id="adminbarsearch-wrap">';
 	$form .= '<form action="' . home_url() . '" method="get" id="adminbarsearch">';
-	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" tabindex="1"';
+	$form .= '<input class="adminbar-input" name="s" id="adminbar-search" tabindex="1" ';
 	$form .= 'type="text" value="" maxlength="150" placeholder="' . esc_attr__( 'Search' ) . '" onclick="return false;" />';
 	$form .= '<input type="submit" class="adminbar-button" value="' . __('Search') . '"/>';
 	$form .= '</form>';