diff --git a/src/TopicHandler/ConfigOptions/Consumer.php b/src/TopicHandler/ConfigOptions/Consumer.php
index b89dca15..2d1e173a 100644
--- a/src/TopicHandler/ConfigOptions/Consumer.php
+++ b/src/TopicHandler/ConfigOptions/Consumer.php
@@ -138,7 +138,7 @@ public function toArray(): array
             'auto_commit' => $this->isAutoCommit(),
             'commit_async' => $this->isCommitASync(),
             'offset_reset' => $this->getOffsetReset(),
-            'max_poll_interval' => $this->getMaxPollInterval(),
+            'max_poll_interval_ms' => $this->getMaxPollInterval(),
         ];
 
         if ($avroSchema = $this->getAvroSchema()) {