diff --git a/packages/sync-server/src/app-pluggyai/app-pluggyai.js b/packages/sync-server/src/app-pluggyai/app-pluggyai.js
index cabff109f65..d2ce8206e5b 100644
--- a/packages/sync-server/src/app-pluggyai/app-pluggyai.js
+++ b/packages/sync-server/src/app-pluggyai/app-pluggyai.js
@@ -120,7 +120,7 @@ app.post(
         };
 
         newTrans.transactionId = trans.id;
-        newTrans.sortOrder = trans.date;
+        newTrans.sortOrder = transactionDate.getTime();
 
         const finalTrans = { ...flattenObject(trans), ...newTrans };
         if (newTrans.booked) {