diff --git a/Doctrine/AbstractListener.php b/Doctrine/AbstractListener.php
index bf4e5b4..8d951f4 100644
--- a/Doctrine/AbstractListener.php
+++ b/Doctrine/AbstractListener.php
@@ -57,7 +57,7 @@ abstract class AbstractListener
     protected function logFailure($message)
     {
         if (null !== $this->logger) {
-            $this->logger->err(sprintf('%s: %s', get_class($this), $message));
+            $this->logger->warn(sprintf('%s: %s', get_class($this), $message));
         }
     }
 }