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-rw-r--r--amiga/bitmap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/amiga/bitmap.c b/amiga/bitmap.c
index 27be51684..b601e48cb 100644
--- a/amiga/bitmap.c
+++ b/amiga/bitmap.c
@@ -488,7 +488,8 @@ PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width, int height)
if(bitmap->native_mask) return bitmap->native_mask;
bitmap->native_mask = AllocRaster(width, height);
-
+ while((width % 8) != 0) width++;
+
for(int i=0; i<(height * (width / 8)); i++) {
bitmap->native_mask[i] = 0;
}