diff --git a/modules/market_management/service.php b/modules/market_management/service.php
index 529f99b..e8f034d 100644
--- a/modules/market_management/service.php
+++ b/modules/market_management/service.php
@@ -796,6 +796,7 @@ function market_management_get_occurrence(PDO $pdo, int $occurrenceId, bool $inc
     $occurrence['organizer_id'] = is_array($occurrence['organizer']) && is_array($occurrence['organizer']['organization'] ?? null)
         ? (int) $occurrence['organizer']['organization']['id']
         : null;
+    $occurrence['organization_contact_id'] = $occurrence['organizer_id'];
     $contactPersonName = (string) ($occurrence['organizer']['contact_person_name'] ?? '');
     $occurrence['contact_person_id'] = $contactPersonName;
     $referenceData = market_management_list_reference_data($pdo, []);