diff --git a/src/Model/Pages.php b/src/Model/Pages.php
index 7024198ee..9ee817717 100644
--- a/src/Model/Pages.php
+++ b/src/Model/Pages.php
@@ -127,7 +127,7 @@ public function getLastTimestamp(): ?string
         }
 
         $numResults = count($this->getResults()[$this->getNamespace()]);
-        $timestamp = new DateTime($this->getResults()[$this->getNamespace()][$numResults - 1]['rev_timestamp']);
+        $timestamp = new DateTime($this->getResults()[$this->getNamespace()][$numResults - 1]['timestamp']);
         return $timestamp->format('Y-m-d\TH:i:s');
     }