diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 6227dc6f6c..78f97b16b1 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -438,6 +438,7 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx)
     s->avctx= avctx;
     s->out_format = FMT_H263;
     s->codec_id= avctx->codec_id;
+    avctx->flags |= CODEC_FLAG_EMU_EDGE;
 
     s->orig_width = s->width  = avctx->coded_width;
     s->orig_height= s->height = avctx->coded_height;