diff --git a/src/Persistence/Sql/Expression.php b/src/Persistence/Sql/Expression.php
index e6dca63e1..e82f48f2a 100644
--- a/src/Persistence/Sql/Expression.php
+++ b/src/Persistence/Sql/Expression.php
@@ -548,9 +548,7 @@ protected function _execute(?object $connection, bool $fromExecuteStatement)
 
             foreach ($params as $key => $val) {
                 if ($val === null) {
-                    // https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/pull/8004#issuecomment-2136064035
-                    // $type = ParameterType::NULL;
-                    $type = constant(ParameterType::class . '::NULL');
+                    $type = ParameterType::NULL;
                 } elseif (is_bool($val)) {
                     $type = ParameterType::BOOLEAN;
                     if ($platform instanceof OraclePlatform) {