diff --git a/src/App/Service/JiraCollectorService.php b/src/App/Service/JiraCollectorService.php
index f7c35c4..8e10f1d 100644
--- a/src/App/Service/JiraCollectorService.php
+++ b/src/App/Service/JiraCollectorService.php
@@ -106,7 +106,7 @@ class JiraCollectorService
                     ? $worklog['timeSpentSeconds']
                     : 0;
             }, $jsonIssue['fields']['worklog']['worklogs']);
-            $kanbanEntry->setDaysBlocked(ceil($secondsBlocked/86400));
+            $kanbanEntry->setDaysBlocked(ceil($secondsBlocked/28800));
 
             // externalId : customfield_10010
             if(isset($jsonIssue['fields']['customfield_10010'])) {