diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.cpp b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
index 2c8f9bb..669c50a 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.cpp
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
@@ -541,6 +541,7 @@ void ATBDeviceControllerPlugin::requestPrintReceipt(const QString & printingStri
 {
     QByteArray ba = printingString.toUtf8();
     hw->prn_switchPower(true);
+    hw->prn_setFonts(8,12,0,0);
     hw->prn_sendText(&ba);
     QTimer::singleShot(4000, this, SLOT(onPrinterWaitForPrintingReceipt()));