diff --git a/Classes/Database/QueryGenerator.php b/Classes/Database/QueryGenerator.php
index 11c27878..8d1992e0 100644
--- a/Classes/Database/QueryGenerator.php
+++ b/Classes/Database/QueryGenerator.php
@@ -3,6 +3,7 @@
 
 namespace FriendsOfTYPO3\TtAddress\Database;
 
+use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -46,7 +47,7 @@ public function getTreeList($id, $depth, $begin = 0): string
             $queryBuilder->select('uid')
                 ->from('pages')
                 ->where(
-                    $queryBuilder->expr()->eq('pid', $queryBuilder->createNamedParameter($id, \PDO::PARAM_INT)),
+                    $queryBuilder->expr()->eq('pid', $queryBuilder->createNamedParameter($id, Connection::PARAM_INT)),
                     $queryBuilder->expr()->eq('sys_language_uid', 0)
                 )
                 ->orderBy('uid');
diff --git a/Classes/Service/GeocodeService.php b/Classes/Service/GeocodeService.php
index 6594e485..ec7b8893 100755
--- a/Classes/Service/GeocodeService.php
+++ b/Classes/Service/GeocodeService.php
@@ -12,6 +12,7 @@
  */
 use TYPO3\CMS\Core\Cache\Exception\NoSuchCacheException;
 use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
+use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Database\Query\QueryHelper;
 use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
@@ -68,10 +69,10 @@ public function calculateCoordinatesForAllRecordsInTable($addWhereClause = ''):
             ->where(
                 $queryBuilder->expr()->or(
                     $queryBuilder->expr()->isNull($latitudeField),
-                    $queryBuilder->expr()->eq($latitudeField, $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)),
+                    $queryBuilder->expr()->eq($latitudeField, $queryBuilder->createNamedParameter(0, Connection::PARAM_INT)),
                     $queryBuilder->expr()->eq($latitudeField, 0.00000000000),
                     $queryBuilder->expr()->isNull($longitudeField),
-                    $queryBuilder->expr()->eq($longitudeField, $queryBuilder->createNamedParameter(0, \PDO::PARAM_INT)),
+                    $queryBuilder->expr()->eq($longitudeField, $queryBuilder->createNamedParameter(0, Connection::PARAM_INT)),
                     $queryBuilder->expr()->eq($longitudeField, 0.00000000000)
                 )
             )