diff --git a/shop/shopform.cpp b/shop/shopform.cpp
index 1ed3c1f..cd02c6d 100644
--- a/shop/shopform.cpp
+++ b/shop/shopform.cpp
@@ -12,6 +12,7 @@
 #include <QList>
 #include <QSharedPointer>
 #include <QSortFilterProxyModel>
+#include <QMessageBox>
 
 #include "shop-odb.hxx"
 
@@ -327,7 +328,19 @@ void ShopForm::on_payButton_clicked()
 
         if (!eetRet)
         {
+            QString errMsg = tr("EET communication error.\n");
 
+            if (!eetMsg.isEmpty())
+            {
+                errMsg += tr("Message from portal: ") + eetMsg + "\n";
+            }
+
+            errMsg += tr("Switch to offline?");
+
+            if (srv.isEetOnline() && QMessageBox::question(this, tr("EET error"), errMsg) == QMessageBox::Yes)
+            {
+                srv.setEetOnline(false);
+            }
         }
 
         ReceiptGenerator generator;
diff --git a/shop/shopservice.cpp b/shop/shopservice.cpp
index 5055c4d..2b515be 100644
--- a/shop/shopservice.cpp
+++ b/shop/shopservice.cpp
@@ -126,7 +126,7 @@ void ShopService::updateRelatedItem(VoucherItem* item, int countAdded)
     }
 }
 
-bool ShopService::processEet(VoucherPtr voucher, QString message)
+bool ShopService::processEet(VoucherPtr voucher, QString &message)
 {
     if (voucher->eetStatus() == Voucher::EET_NOT_ENTERING)
     {
@@ -153,8 +153,9 @@ bool ShopService::processEet(VoucherPtr voucher, QString message)
     sender->setPlayground(settings->eetPlayground());
 
     QEventLoop loop;
+    bool replyFinished = false;
 
-    connect(sender, &EetSender::sendFinished, [this, voucher, sender, &loop](){
+    connect(sender, &EetSender::sendFinished, [this, voucher, sender, &loop, &replyFinished](){
         Transaction tx;
 
         voucher->setEetBkp(sender->resut()->bkp());
@@ -176,10 +177,15 @@ bool ShopService::processEet(VoucherPtr voucher, QString message)
         sender->deleteLater();
 
         loop.quit();
+        replyFinished = true;
     });
 
     sender->sendRequest(&request);
-    loop.exec();
+
+    if (!replyFinished)
+    {
+        loop.exec();
+    }
 
     auto addMessage = [&message](EetMessage *msg, const QString &label){
         if (message.isEmpty())
@@ -206,6 +212,11 @@ void ShopService::setEetOnline(bool online)
     EetSender::m_online = online;
 }
 
+bool ShopService::isEetOnline()
+{
+    return EetSender::m_online;
+}
+
 void ShopService::moveItems(QList<VoucherItemPtr> items, VoucherPtr source, VoucherPtr target)
 {
     Transaction tx;
diff --git a/shop/shopservice.h b/shop/shopservice.h
index 29e58c7..b3bb095 100644
--- a/shop/shopservice.h
+++ b/shop/shopservice.h
@@ -21,8 +21,9 @@ public:
     void pay(VoucherPtr voucher);
     void moveItems(QList<VoucherItemPtr> items, VoucherPtr source, VoucherPtr target);
     void updateRelatedItem(VoucherItem* item, int countAdded);
-    bool processEet(VoucherPtr voucher, QString message);
+    bool processEet(VoucherPtr voucher, QString &message);
     void setEetOnline(bool online);
+    bool isEetOnline();
     QList<VoucherPtr> savedVouchers();
     QList<VoucherPtr> tempVouchers();
     QList<VoucherPtr> paiedVouchers();