diff --git a/src/Monolog/Formatter/ElasticaFormatter.php b/src/Monolog/Formatter/ElasticaFormatter.php
index 160510ad..759c97d1 100644
--- a/src/Monolog/Formatter/ElasticaFormatter.php
+++ b/src/Monolog/Formatter/ElasticaFormatter.php
@@ -77,6 +77,7 @@ class ElasticaFormatter extends NormalizerFormatter
     {
         $document = new Document();
         $document->setData($record);
+        /** @phpstan-ignore function.impossibleType */
         if (method_exists($document, 'setType')) {
             $document->setType($this->type);
         }