diff --git a/examples/mqtt.py b/examples/mqtt.py
index 11d6abe..ed7af66 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -78,10 +78,13 @@ def on_message(client, userdata, msg):
         line = 60
 
     print(line)
-    drawblack.text((150, line), "    ", font = font10, fill = 0)
-    epd.DisplayPartial(epd.getbuffer(HBlackimage))
-    drawblack.text((150, line), msg.payload.decode(), font = font10, fill = 0)
-    epd.DisplayPartial(epd.getbuffer(HBlackimage))
+    epd.init()    
+    epd.Clear()
+    values_image = Image.new('1', (epd.width, epd.height), 255)
+    values_draw = ImageDraw.Draw(values_image)
+
+    values_draw.text((150, line), msg.payload.decode(), font = font10, fill = 0)
+    epd.DisplayPartial(epd.getbuffer(values_image))
     #print(f"`{msg.topic}`: `{msg.payload.decode()}`")
 
 Connected = False   #global variable for the state of the connection