diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 1b77105f07..73f0cba042 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -859,7 +859,7 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
             v->rptfrm = get_bits(gb, 2);
         } else {
             v->tff = get_bits1(gb);
-            v->rptfrm = get_bits1(gb);
+            v->rff = get_bits1(gb);
         }
     }
     if(v->panscanflag) {