diff --git a/vllm/engine/async_llm_engine.py b/vllm/engine/async_llm_engine.py
index aa7775124224..d6c1c2939873 100644
--- a/vllm/engine/async_llm_engine.py
+++ b/vllm/engine/async_llm_engine.py
@@ -484,7 +484,7 @@ def from_engine_args(cls,
         distributed_init_method, placement_group = initialize_cluster(
             parallel_config, engine_args.engine_use_ray)
         # Create the async LLM engine.
-        engine = cls(engine_args.worker_use_ray,
+        engine = cls(parallel_config.worker_use_ray,
                      engine_args.engine_use_ray,
                      *engine_configs,
                      distributed_init_method,