diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 9f24796a88..c8b2a3680e 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -2065,7 +2065,7 @@ static av_cold int tiff_init(AVCodecContext *avctx)
     s->width  = 0;
     s->height = 0;
     s->subsampling[0] =
-    s->subsampling[1] = 1;
+    s->subsampling[1] = 2;
     s->avctx  = avctx;
     ff_lzw_decode_open(&s->lzw);
     if (!s->lzw)