--- a/third-party/build-deps/patches/FFmpeg/cbs/03-size-specifier.patch
+++ b/third-party/build-deps/patches/FFmpeg/cbs/03-size-specifier.patch
@@ -27,7 +27,7 @@
          goto fail;
      }
 @@ -741,7 +741,7 @@ static int cbs_av1_split_fragment(CodedBitstreamContext *ctx,
-         if (header.obu_has_size_field) {
+         if (obu_header.obu_has_size_field) {
              if (get_bits_left(&gbc) < 8) {
                  av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid OBU: fragment "
 -                       "too short (%"SIZE_SPECIFIER" bytes).\n", size);
