diff --git a/vllm/benchmarks/throughput.py b/vllm/benchmarks/throughput.py
index 866365ac18eb9..78c0f8bbbda7a 100644
--- a/vllm/benchmarks/throughput.py
+++ b/vllm/benchmarks/throughput.py
@@ -221,6 +221,7 @@ async def run_vllm_async(
                     detokenize=not disable_detokenize,
                 )
             )
+            prompts.append(prompt)
             lora_requests.append(request.lora_request)
 
         generators = []