diff --git a/libmpdemux/muxer_lavf.c b/libmpdemux/muxer_lavf.c
index 901746a787..17f32a15c4 100644
--- a/libmpdemux/muxer_lavf.c
+++ b/libmpdemux/muxer_lavf.c
@@ -196,6 +196,7 @@ static void fix_parameters(muxer_stream_t *stream)
 	else if(stream->type == MUXER_TYPE_VIDEO)
 	{
 		ctx->codec_id = codec_get_bmp_id(stream->bih->biCompression);
+                ctx->codec_tag= stream->bih->biCompression;
 		mp_msg(MSGT_MUXER, MSGL_INFO, "VIDEO CODEC ID: %d\n", ctx->codec_id);
 		ctx->width = stream->bih->biWidth;
 		ctx->height = stream->bih->biHeight;