diff --git a/examples/solarmonitor-black.py b/examples/solarmonitor-black.py
index 4a0f808..c70c2db 100644
--- a/examples/solarmonitor-black.py
+++ b/examples/solarmonitor-black.py
@@ -103,7 +103,7 @@ client.subscribe(topic_houseBatteryLoadUnload)
 try:
     while True:
         logging.debug("Drawing")
-        font10 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 12)
+        font10 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 13)
         
         HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126
         #HRedimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image