diff --git a/models/export.js b/models/export.js
index 056eefdc7..cc979ce01 100644
--- a/models/export.js
+++ b/models/export.js
@@ -112,7 +112,7 @@ export class Exporter {
       );
       result.subtaskItems.push(
         ...Cards.find({
-          parentid: card._id,
+          parentId: card._id,
         }).fetch(),
       );
     });