diff --git a/libavcodec/dxva2_vc1.c b/libavcodec/dxva2_vc1.c
index 99b3deecdf..a881d817e5 100644
--- a/libavcodec/dxva2_vc1.c
+++ b/libavcodec/dxva2_vc1.c
@@ -101,7 +101,8 @@ static void fill_picture_parameters(AVCodecContext *avctx,
                                   (v->rangered       << 3) |
                                   (s->max_b_frames       );
     pp->bPicExtrapolation       = (!v->interlace || v->fcm == PROGRESSIVE) ? 1 : 2;
-    pp->bPicDeblocked           = ((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
+    pp->bPicDeblocked           = ((!pp->bPicBackwardPrediction && v->overlap)        << 6) |
+                                  ((v->profile != PROFILE_ADVANCED && v->rangeredfrm) << 5) |
                                   (s->loop_filter                                     << 1);
     pp->bPicDeblockConfined     = (v->postprocflag             << 7) |
                                   (v->broadcast                << 6) |