diff --git a/av1/encoder/tpl_model.c b/av1/encoder/tpl_model.c
index dd6f89e..6ddcf9e 100644
--- a/av1/encoder/tpl_model.c
+++ b/av1/encoder/tpl_model.c
@@ -570,14 +570,17 @@
   }
 
   int rate_cost = 1;
-  get_rate_distortion(&rate_cost, &recon_error, &pred_error, src_diff, coeff,
-                      qcoeff, dqcoeff, cm, x, NULL, rec_buffer_pool,
-                      rec_stride_pool, tx_size, best_mode, mi_row, mi_col,
-                      use_y_only_rate_distortion, NULL);
 
-  tpl_stats->intra_dist = recon_error << TPL_DEP_COST_SCALE_LOG2;
-  tpl_stats->intra_sse = pred_error << TPL_DEP_COST_SCALE_LOG2;
-  tpl_stats->intra_rate = rate_cost;
+  if (cpi->use_ducky_encode) {
+    get_rate_distortion(&rate_cost, &recon_error, &pred_error, src_diff, coeff,
+                        qcoeff, dqcoeff, cm, x, NULL, rec_buffer_pool,
+                        rec_stride_pool, tx_size, best_mode, mi_row, mi_col,
+                        use_y_only_rate_distortion, NULL);
+
+    tpl_stats->intra_dist = recon_error << TPL_DEP_COST_SCALE_LOG2;
+    tpl_stats->intra_sse = pred_error << TPL_DEP_COST_SCALE_LOG2;
+    tpl_stats->intra_rate = rate_cost;
+  }
 
   if (cpi->third_pass_ctx &&
       frame_offset < cpi->third_pass_ctx->frame_info_count &&