diff --git a/tine20/Tinebase/Import/Db/Abstract.php b/tine20/Tinebase/Import/Db/Abstract.php
index fd97ed8c39..123f46cea2 100644
--- a/tine20/Tinebase/Import/Db/Abstract.php
+++ b/tine20/Tinebase/Import/Db/Abstract.php
@@ -45,6 +45,7 @@ public function import(): array
             $select = $this->_getSelect(++$pageNumber, $pageCount);
             $stmt = $select->query();
             $rows = $stmt->fetchAll(Zend_Db::FETCH_ASSOC);
+            $stmt->closeCursor();
             if (Tinebase_Core::isLogLevel(Zend_Log::INFO)) Tinebase_Core::getLogger()->info(__METHOD__ . '::' . __LINE__
                 . ' fetched ' . count($rows) . ' rows  / pagenumber: ' . $pageNumber);