diff --git a/wp-admin/admin-header.php b/wp-admin/admin-header.php
index 00ad299695..93d653cff6 100644
--- a/wp-admin/admin-header.php
+++ b/wp-admin/admin-header.php
@@ -22,9 +22,9 @@ get_admin_page_title();
 $title = esc_html( strip_tags( $title ) );
 
 if ( is_network_admin() )
-	$admin_title = __( 'Network Admin' );
+	$admin_title = sprintf( __('Network Admin: %s'), esc_html( $current_site->site_name ) );
 elseif ( is_user_admin() )
-	$admin_title = __( 'Global Dashboard' );
+	$admin_title = sprintf( __('Global Dashboard: %s'), esc_html( $current_site->site_name ) );
 else
 	$admin_title = get_bloginfo( 'name' );