diff --git a/app/views/api/v2/planning_element_journals/_journal.api.rsb b/app/views/api/v2/planning_element_journals/_journal.api.rsb
index 0a33b05250..a7ee36f9d5 100644
--- a/app/views/api/v2/planning_element_journals/_journal.api.rsb
+++ b/app/views/api/v2/planning_element_journals/_journal.api.rsb
@@ -34,6 +34,6 @@ api.journal do
     end
   end
 
-  api.created_on(journal.created_on.utc)
+  api.created_on(journal.created_at.utc)
 end