diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index d08ba346ec38f4c77b9cc7545bebaf76daa19c4c..5722316a4ec003eace8900e7361838b237e002d5 100644
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -796,7 +796,7 @@ static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps)
         if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
         break;
     case 12:
-        if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY16;
+        if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12;
         if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
         if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
         if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;