diff --git a/src/wp-admin/admin.php b/src/wp-admin/admin.php
index 7b703caff9..287027f4f6 100644
--- a/src/wp-admin/admin.php
+++ b/src/wp-admin/admin.php
@@ -181,7 +181,7 @@ if ( isset( $plugin_page ) ) {
 		$page_hook = get_plugin_page_hook( $plugin_page, $plugin_page );
 
 		// Back-compat for plugins using add_management_page().
-		if ( empty( $page_hook ) && 'edit.php' === $pagenow && '' !== get_plugin_page_hook( $plugin_page, 'tools.php' ) ) {
+		if ( empty( $page_hook ) && 'edit.php' === $pagenow && get_plugin_page_hook( $plugin_page, 'tools.php' ) ) {
 			// There could be plugin specific params on the URL, so we need the whole query string.
 			if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {
 				$query_string = $_SERVER['QUERY_STRING'];