From ac04992278271c3df291799fa2d52d282c7adcf1 Mon Sep 17 00:00:00 2001
From: Guancheng Fu <110874468+gc-fu@users.noreply.github.com>
Date: Fri, 6 Jun 2025 15:47:33 +0800
Subject: [PATCH] Update engine.py (#13209)

---
 python/llm/src/ipex_llm/vllm/xpu/engine/engine.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/llm/src/ipex_llm/vllm/xpu/engine/engine.py b/python/llm/src/ipex_llm/vllm/xpu/engine/engine.py
index acce03c4..b0ecbab5 100644
--- a/python/llm/src/ipex_llm/vllm/xpu/engine/engine.py
+++ b/python/llm/src/ipex_llm/vllm/xpu/engine/engine.py
@@ -385,5 +385,5 @@ def run_mp_engine(vllm_config: VllmConfig, usage_context: UsageContext,
         engine_alive.value = False
         raise e  # noqa
 
-if os.getenv("VLLM_USE_V1"):
+if os.getenv("VLLM_USE_V1") == 1:
     IPEXLLMAsyncLLMEngine = IPEXLLMAsyncV1Engine