diff --git a/src/PersistentData/PersistentDataManager.php b/src/PersistentData/PersistentDataManager.php
index 3f2c817..38c58db 100644
--- a/src/PersistentData/PersistentDataManager.php
+++ b/src/PersistentData/PersistentDataManager.php
@@ -27,8 +27,9 @@ class PersistentDataManager
     public function selectMultipleFromDb(Select $select, string $type, bool $withRelations = false): Generator
     {
         $select = $this->createSelect($select, $type, $withRelations);
+        $result = $select->execute();
 
-        while ($data = $select->execute()->fetch(IResultSet::FETCH_ASSOC)) {
+        while ($data = $result->fetch(IResultSet::FETCH_ASSOC)) {
             $model = new $type();
             $this->fillWithData($data, $model);