--- libtiff/tif_jpeg.c 2010-09-30 13:43:31.045146032 +0200 +++ libtiff/tif_jpeg.c.oden 2010-09-30 13:44:59.005141117 +0200 @@ -850,6 +850,7 @@ JPEGPreDecode(TIFF* tif, tsample_t s) if (downsampled_output) { /* Need to use raw-data interface to libjpeg */ sp->cinfo.d.raw_data_out = TRUE; + sp->cinfo.d.do_fancy_upsampling = FALSE; tif->tif_decoderow = JPEGDecodeRaw; tif->tif_decodestrip = JPEGDecodeRaw; tif->tif_decodetile = JPEGDecodeRaw;