diff --git a/examples/mqtt.py b/examples/mqtt.py
index f01c1e0..cc3b77b 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -65,6 +65,7 @@ def on_message(client, userdata, msg):
 
     if msg.topic == "openWB/pv/W":
         value_pvProduction = int(msg.payload.decode())
+        value_pvProduction = -value_pvProduction
     elif msg.topic == "openWB/global/WHouseConsumption":
         value_wHouseConsumption = int(msg.payload.decode())
     elif msg.topic == "openWB/evu/W":
@@ -125,7 +126,7 @@ try:
             drawred.text((5, 60), 'Batterie Entladen', font = font10, fill = 0)
 
         logging.info("-----")
-        logging.info("PvPord: "+str(-value_pvProduction))
+        logging.info("PvProd: "+str(value_pvProduction))
         logging.info("HouseU: "+str(value_wHouseConsumption))
         logging.info("EneI/E: "+str(value_energyImportExport))
         logging.info("BatSoC: "+str(value_houseBatterySoC))