diff --git a/examples/mqtt.py b/examples/mqtt.py
index 0e60af8..5e34e05 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -131,18 +131,18 @@ try:
         logging.info("SoC: "+str(value_houseBatterySoC))
         logging.info("Bio: "+str(value_houseBatteryLoadUnload))
         #drawblack.rectangle((150, 0, 220, 50), fill = 255)
-        drawblack.text((150, 0), value_pvProduction, font = font10, fill = 0)
+        drawblack.text((150, 0), str(value_pvProduction), font = font10, fill = 0)
         #drawblack.rectangle((150, 15, 220, 50), fill = 255)
-        drawblack.text((150, 15), value_wHouseConsumption, font = font10, fill = 0)
+        drawblack.text((150, 15), str(value_wHouseConsumption), font = font10, fill = 0)
         #drawblack.rectangle((150, 30, 220, 50), fill = 255)
         if value_energyImportExport > 0:
-            drawred.text((150, 30), value_energyImportExport, font = font10, fill = 0)
+            drawred.text((150, 30), str(value_energyImportExport), font = font10, fill = 0)
         else:    
-            drawblack.text((150, 30), value_energyImportExport, font = font10, fill = 0)
+            drawblack.text((150, 30), str(value_energyImportExport), font = font10, fill = 0)
         #drawblack.rectangle((150, 45, 220, 50), fill = 255)
-        drawblack.text((150, 45), value_houseBatterySoC, font = font10, fill = 0)
+        drawblack.text((150, 45), str(value_houseBatterySoC), font = font10, fill = 0)
         #drawblack.rectangle((150, 60, 220, 50), fill = 255)
-        drawblack.text((150, 60), value_houseBatteryLoadUnload, font = font10, fill = 0)
+        drawblack.text((150, 60), str(value_houseBatteryLoadUnload), font = font10, fill = 0)
 
         epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRedimage))