diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.cpp b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
index 9ad08b3..b0214b7 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.cpp
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
@@ -59,6 +59,9 @@ PLUGIN_STATE ATBDeviceControllerPlugin::initDCPlugin(QObject *healthEventReceive
 
     hw->rtc_setDateTime();
 
+    // this is necessary to init the CashAgentLib (!)
+    hw->vend_failed();
+
 
     // text encoding for printer
     this->codec = QTextCodec::codecForName(printerEncoding);