diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 5d751628d3..5c9823a657 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -611,7 +611,7 @@ static int init_image(TiffContext *s, ThreadFrame *frame)
         s->avctx->pix_fmt = s->le ? AV_PIX_FMT_GRAY16LE : AV_PIX_FMT_GRAY16BE;
         break;
     case 162:
-        s->avctx->pix_fmt = AV_PIX_FMT_GRAY8A;
+        s->avctx->pix_fmt = AV_PIX_FMT_YA8;
         break;
     case 322:
         s->avctx->pix_fmt = s->le ? AV_PIX_FMT_YA16LE : AV_PIX_FMT_YA16BE;