diff --git a/core/src/replay_stage.rs b/core/src/replay_stage.rs
index 1303c59cbfbb09..dae7ec912d6045 100644
--- a/core/src/replay_stage.rs
+++ b/core/src/replay_stage.rs
@@ -1821,7 +1821,7 @@ impl ReplayStage {
         // send accumulated excute-timings to cost_update_service
         cost_update_sender
             .send(execute_timings)
-            .expect("send execution cost update to cost_model");
+            .unwrap_or_else(|err| warn!("cost_update_sender failed: {:?}", err));
 
         inc_new_counter_info!("replay_stage-replay_transactions", tx_count);
         did_complete_bank