diff --git a/module/VuFind/src/VuFind/Log/Writer/Slack.php b/module/VuFind/src/VuFind/Log/Writer/Slack.php
index 36f4f6b8444868620c7fafa5f099dc42b720b3d7..26284522ac531f036b80f59d411c7afa74fa0e6f 100644
--- a/module/VuFind/src/VuFind/Log/Writer/Slack.php
+++ b/module/VuFind/src/VuFind/Log/Writer/Slack.php
@@ -101,7 +101,7 @@ class Slack extends Post
             'channel' => $this->channel,
             'username' => $this->username,
             'text' => $this->messageIcons[$event['priority']]
-                . $this->formatter->format($this->applyVerbosity($event)) . PHP_EOL
+                . $this->formatter->format($event) . PHP_EOL
         ];
         return json_encode($data);
     }