diff --git a/src/stream/src/task/stream_manager.rs b/src/stream/src/task/stream_manager.rs
index d452decdce507..a628b3a841d7b 100644
--- a/src/stream/src/task/stream_manager.rs
+++ b/src/stream/src/task/stream_manager.rs
@@ -577,7 +577,7 @@ impl StreamActorManager {
                 &actor,
                 self.env.total_mem_usage(),
                 self.streaming_metrics.clone(),
-                self.env.config().unique_user_stream_errors,
+                actor.dispatcher.len(),
             );
             let vnode_bitmap = actor.vnode_bitmap.as_ref().map(|b| b.into());
             let expr_context = actor.expr_context.clone().unwrap();