diff --git a/cmd/mtseeder/pyramid.go b/cmd/mtseeder/pyramid.go
index c2c9066..111f339 100644
--- a/cmd/mtseeder/pyramid.go
+++ b/cmd/mtseeder/pyramid.go
@@ -164,8 +164,8 @@ func fuseTile(scratch *image.RGBA, job *pyramidJob) (err error) {
 		img := loadImage(path)
 
 		draw.Draw(scratch,
-			image.Rect(0, 0, 256, 256),
-			img, image.Pt(ofs[i][0], ofs[i][1]), draw.Src)
+			image.Rect(ofs[i][0], ofs[i][1], 256, 256),
+			img, image.ZP, draw.Src)
 	}
 
 	resized := resize.Resize(256, 256, scratch, resize.Bicubic)