diff --git a/src/Monolog/Handler/Slack/SlackRecord.php b/src/Monolog/Handler/Slack/SlackRecord.php
old mode 100644
new mode 100755
index 38bc838a..71b42960
--- a/src/Monolog/Handler/Slack/SlackRecord.php
+++ b/src/Monolog/Handler/Slack/SlackRecord.php
@@ -229,8 +229,8 @@ class SlackRecord
     /**
      * Generates attachment field
      *
-     * @param string $title
-     * @param string|array $value\
+     * @param string       $title
+     * @param string|array $value
      *
      * @return array
      */
@@ -257,7 +257,7 @@ class SlackRecord
     private function generateAttachmentFields(array $data)
     {
         $fields = array();
-        foreach ($data as $key => $value) {
+        foreach ($this->normalizerFormatter->format($data) as $key => $value) {
             $fields[] = $this->generateAttachmentField($key, $value);
         }