1 files changed, 3 insertions, 2 deletions

diff --git a/tools/mkasset.py b/tools/mkasset.py
index c8311b6..a402e3c 100644
--- a/tools/mkasset.py
+++ b/tools/mkasset.py
@@ -65,8 +65,9 @@ def carve_image(rgba_bytes, tile_width, tile_height, columns) -> Generator[bytea
                 image_y = image_y0 + y  # y of current pixel inside image
                 for x in range(tile_width):
                     image_x = image_x0 + x  # x of current pixel inside image
-                    tile_bytes[(y * tile_width + x) * 4] = (
-                        rgba_bytes)[(image_y * image_width + image_x) * 4]
+                    for c in range(4):
+                        tile_bytes[((y * tile_width + x) * 4) + c] = (
+                            rgba_bytes)[((image_y * image_width + image_x) * 4) + c]
             yield tile_bytes.copy()