diff --git a/src/Psalm/Internal/Provider/ReturnTypeProvider/PdoStatementSetFetchMode.php b/src/Psalm/Internal/Provider/ReturnTypeProvider/PdoStatementSetFetchMode.php
index 96cbdf14617..28c078e9386 100644
--- a/src/Psalm/Internal/Provider/ReturnTypeProvider/PdoStatementSetFetchMode.php
+++ b/src/Psalm/Internal/Provider/ReturnTypeProvider/PdoStatementSetFetchMode.php
@@ -1,6 +1,7 @@
 <?php
 namespace Psalm\Internal\Provider\ReturnTypeProvider;
 
+use PDO;
 use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
 use Psalm\Internal\Analyzer\StatementsAnalyzer;
 use Psalm\Plugin\EventHandler\Event\MethodParamsProviderEvent;
@@ -57,7 +58,7 @@ public static function getMethodParams(MethodParamsProviderEvent $event): ?array
                 $value = $first_call_arg_type->getSingleIntLiteral()->value;
 
                 switch ($value) {
-                    case 7: // PDO::FETCH_COLUMN
+                    case PDO::FETCH_COLUMN: // PDO::FETCH_COLUMN
                         $params[] = new FunctionLikeParameter(
                             'colno',
                             false,