1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/nvdec_av1.c b/libavcodec/nvdec_av1.c
index 74b0442177..35f22ebf80 100644
--- a/libavcodec/nvdec_av1.c
+++ b/libavcodec/nvdec_av1.c
@@ -303,7 +303,7 @@ static int nvdec_av1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
 
     /* Shortcut if all tiles are in the same buffer */
     if (ctx->nb_slices == s->tg_end - s->tg_start + 1) {
-        ctx->bitstream = (uint8_t*)buffer;
+        ctx->bitstream = buffer;
         ctx->bitstream_len = size;
 
         for (int i = 0; i < ctx->nb_slices; ++i) {
@@ -321,7 +321,7 @@ static int nvdec_av1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
     }
     ctx->bitstream = ctx->bitstream_internal = tmp;
 
-    memcpy(ctx->bitstream + ctx->bitstream_len, buffer, size);
+    memcpy(ctx->bitstream_internal + ctx->bitstream_len, buffer, size);
 
     for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) {
         ctx->slice_offsets[tile_num*2    ] = ctx->bitstream_len + s->tile_group_info[tile_num].tile_offset;