diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index f4ce1a38c9..5e9e01627a 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -349,7 +349,7 @@ static int rv20_decode_picture_header(RVDecContext *rv)
     }
 
     if(RV_GET_MINOR_VER(rv->sub_id) >= 2)
-        s->loop_filter = get_bits1(&s->gb);
+        s->loop_filter = get_bits1(&s->gb) && !s->avctx->lowres;
 
     if(RV_GET_MINOR_VER(rv->sub_id) <= 1)
         seq = get_bits(&s->gb, 8) << 7;