diff --git a/modules/market_management/service.php b/modules/market_management/service.php
index 675a332..9eac824 100644
--- a/modules/market_management/service.php
+++ b/modules/market_management/service.php
@@ -468,11 +468,12 @@ function market_management_create_occurrence(PDO $pdo, array $input): array
 
 function market_management_get_occurrence(PDO $pdo, int $occurrenceId, bool $includeArchived = false): ?array
 {
+    $archivePredicate = $includeArchived ? 'TRUE' : 'archived_at IS NULL';
     $stmt = $pdo->prepare(
         'SELECT * FROM market_occurrence
-         WHERE id = :id AND (:include_archived OR archived_at IS NULL)'
+         WHERE id = :id AND ' . $archivePredicate
     );
-    $stmt->execute([':id' => $occurrenceId, ':include_archived' => $includeArchived]);
+    $stmt->execute([':id' => $occurrenceId]);
     $occurrence = $stmt->fetch();
     if (!is_array($occurrence)) {
         return null;