Merge branch main

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / _display.py

diff --git a/displayio/_display.py b/displayio/_display.py
index d8b49c7031cd3e6492dc1474c0f8a5f8ef310255..ba6ea9e4baf8590870e59eb16643ac1f9c807feb 100644 (file)
--- 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.