diff --git a/src/pixie/fileformats/png.nim b/src/pixie/fileformats/png.nim
index 7020d4f..77ef310 100644
--- a/src/pixie/fileformats/png.nim
+++ b/src/pixie/fileformats/png.nim
@@ -344,8 +344,7 @@ proc decodeImageData(
         unfiltered.readUint8(bytePos + 1)
       )
   of 6:
-    for i in 0 ..< header.height * header.width:
-      result[i] = cast[ColorRGBA](unfiltered.readUint32(i * 4))
+    copyMem(result[0].addr, unfiltered[0].unsafeAddr, unfiltered.len)
   else:
     discard # Not possible, parseHeader validates