diff --git a/av1/common/mvref_common.h b/av1/common/mvref_common.h
index 8546251..a424509 100644
--- a/av1/common/mvref_common.h
+++ b/av1/common/mvref_common.h
@@ -618,7 +618,7 @@
       int tmp_col = mi_col;
       int tmp_bh = bh;
       int tmp_bw = bw;
-      if (!frame_is_intra_only(cm)) {
+      if (!cm->seq_params.enable_sdp || !frame_is_intra_only(cm)) {
         if (xd->is_chroma_ref && av1_num_planes(cm) > 1) {
           const struct macroblockd_plane *const pd = &xd->plane[1];
           if ((bw < 8 && pd->subsampling_x) && (bh < 8 && pd->subsampling_y)) {