diff --git a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in13.py b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in13.py
index fcd4f39..f71726f 100644
--- a/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in13.py
+++ b/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in13.py
@@ -201,7 +201,7 @@ class EPD:
                 self.send_data(image[i + j * linewidth])   
         self.TurnOnDisplay()
     
-    def Clear(self, color):
+    def Clear(self, color=0xFF):
         if self.width%8 == 0:
             linewidth = int(self.width/8)
         else: