diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index c7edc25a25..a8dd38ad5f 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -576,7 +576,7 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
 
     if (v->finterpflag)
         v->interpfrm = get_bits1(gb);
-    if (v->s.avctx->codec->id == AV_CODEC_ID_MSS2)
+    if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2)
         v->respic   =
         v->rangered =
         v->multires = get_bits(gb, 2) == 1;