diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index 9b782752c5..e231eac48f 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -699,6 +699,7 @@ static int svq1_decode_frame(AVCodecContext *avctx, void *data,
     }
 
     *pict = s->current_picture.f;
+    pict->qscale_table = NULL;
 
     ff_MPV_frame_end(s);