1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/webvttenc.c b/libavformat/webvttenc.c
index c386538718..4827de05d5 100644
--- a/libavformat/webvttenc.c
+++ b/libavformat/webvttenc.c
@@ -46,10 +46,10 @@ static void webvtt_write_time(AVIOContext *pb, int64_t millisec)
 static int webvtt_write_header(AVFormatContext *ctx)
 {
     AVStream     *s = ctx->streams[0];
-    AVCodecContext *avctx = ctx->streams[0]->codec;
+    AVCodecParameters *par = ctx->streams[0]->codecpar;
     AVIOContext *pb = ctx->pb;
 
-    if (ctx->nb_streams != 1 || avctx->codec_id != AV_CODEC_ID_WEBVTT) {
+    if (ctx->nb_streams != 1 || par->codec_id != AV_CODEC_ID_WEBVTT) {
         av_log(ctx, AV_LOG_ERROR, "Exactly one WebVTT stream is needed.\n");
         return AVERROR(EINVAL);
     }