diff --git a/src/Services/QueuedJobService.php b/src/Services/QueuedJobService.php
index <HASH>..<HASH> 100644
--- a/src/Services/QueuedJobService.php
+++ b/src/Services/QueuedJobService.php
@@ -713,7 +713,7 @@ class QueuedJobService
      */
     protected function markStarted()
     {
-        if ($this->startedAt) {
+        if (!$this->startedAt) {
             $this->startedAt = DBDatetime::now()->Format('U');
         }
     }
Fix markStarted not calculating timeout correctly