X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/b39699fa4b1ed4838b72d068f0c13fdf62ef95de..62e0eafb17cffc425e519fd3389ef4ea699e0267:/displayio/_display.py

diff --git a/displayio/_display.py b/displayio/_display.py
index d8b49c7..ba6ea9e 100644
--- a/displayio/_display.py
+++ b/displayio/_display.py
@@ -401,7 +401,7 @@ class Display:
                 )
 
             buffer = memoryview(bytearray([0] * (buffer_size * 4))).cast("I")
-            mask = memoryview(bytearray([0] * mask_length)).cast("I")
+            mask = memoryview(bytearray([0] * (mask_length * 4))).cast("I")
             self._core.fill_area(subrectangle, mask, buffer)
 
             # Can't acquire display bus; skip the rest of the data.