diff --git a/core/modules/search/src/Plugin/migrate/source/d7/SearchPage.php b/core/modules/search/src/Plugin/migrate/source/d7/SearchPage.php
index fe8010f..c31cd84 100644
--- a/core/modules/search/src/Plugin/migrate/source/d7/SearchPage.php
+++ b/core/modules/search/src/Plugin/migrate/source/d7/SearchPage.php
@@ -32,7 +32,6 @@ protected function initializeIterator() {
    *   Only those values are returned that are actually in the database.
    */
   protected function values() {
-    $rankings = array_map('unserialize', $this->prepareQuery()->execute()->fetchAllKeyed());
     $search_active_modules = $this->variableGet('search_active_modules', '');
     $values = [];
     foreach (['node', 'user'] as $module) {
@@ -44,7 +43,7 @@ protected function values() {
         ];
         // Add the node_rank_* variables (only relevant to the node module).
         if ($module === 'node') {
-          $tmp = array_merge($tmp, $rankings);
+          $tmp = array_merge($tmp, parent::values());
         }
         $values[] = $tmp;
       }