diff --git a/core/service.h b/core/service.h
index 69c9d78..6dcf5ac 100644
--- a/core/service.h
+++ b/core/service.h
@@ -156,7 +156,7 @@ public:
             pSession = ptrSession.data();
         }
 
-        *pSession += qx::dao::delete_by_id(entity);
+        *pSession += qx::dao::delete_by_id(entity, pSession->database());
 
         if (!pSession->isValid()) {
             qDebug() << pSession->firstError().text();
diff --git a/shop/shopservice.cpp b/shop/shopservice.cpp
index 9e17a10..ce77cb1 100644
--- a/shop/shopservice.cpp
+++ b/shop/shopservice.cpp
@@ -60,10 +60,6 @@ void ShopService::calculate(VoucherPtr voucher)
 
     loadSettings();
 
-    if (voucher->items().isEmpty()) {
-        load(voucher);
-    }
-
     foreach (QSharedPointer<VoucherItem> item, voucher->items()) {
 
         if (item->refId() == ROUNDING_ITEM)
@@ -384,6 +380,9 @@ void ShopService::moveItems(QList<VoucherItemPtr> items, VoucherPtr source, Vouc
         it->setVoucher(target);
     }
 
+    calculate(target);
+    update(target, &session);
+
     if (source->items().isEmpty())
     {
         erase(source, &session);