diff --git a/av1/encoder/pickrst.c b/av1/encoder/pickrst.c
index 1e7aa67..4fe1c6f 100644
--- a/av1/encoder/pickrst.c
+++ b/av1/encoder/pickrst.c
@@ -159,13 +159,13 @@
   const YV12_BUFFER_CONFIG *fts = cm->frame_to_show;
   // TODO(yunqing): For now, only use optimized LR filter in decoder. Can be
   // also used in encoder.
-  int opt = 0;
+  const int optimized_lr = 0;
 
   av1_loop_restoration_filter_unit(
       limits, rui, &rsi->boundaries, &rlbs, tile_rect, rsc->tile_stripe0,
       is_uv && cm->subsampling_x, is_uv && cm->subsampling_y, highbd, bit_depth,
       fts->buffers[plane], fts->strides[is_uv], rsc->dst->buffers[plane],
-      rsc->dst->strides[is_uv], cm->rst_tmpbuf, opt);
+      rsc->dst->strides[is_uv], cm->rst_tmpbuf, optimized_lr);
 
   return sse_restoration_unit(limits, rsc->src, rsc->dst, plane, highbd);
 }