diff --git a/wp-admin/menu-header.php b/wp-admin/menu-header.php
index b3b2e8644..3888f012d 100644
--- a/wp-admin/menu-header.php
+++ b/wp-admin/menu-header.php
@@ -93,7 +93,9 @@ function _wp_menu_output( &$menu, &$submenu, $submenu_as_parent = true ) {
 				if ( isset($submenu_file) ) {
 					if ( $submenu_file == $sub_item[2] )
 						$class[] = 'current';
-				} else if ( (isset($plugin_page) && $plugin_page == $sub_item[2]) || (!isset($plugin_page) && $self == $sub_item[2]) ) {
+				// If plugin_page is set the parent must either match the current page or not physically exist.
+				// This allows plugin pages with the same hook to exist under different parents.
+				} else if ( (isset($plugin_page) && $plugin_page == $sub_item[2] && (!file_exists($item[2]) || ($item[2] == $self))) || (!isset($plugin_page) && $self == $sub_item[2]) ) {
 					$class[] = 'current';
 				}