diff --git a/python/sglang/srt/model_executor/model_runner.py b/python/sglang/srt/model_executor/model_runner.py
index 601d36387..ce2a9c4c5 100644
--- a/python/sglang/srt/model_executor/model_runner.py
+++ b/python/sglang/srt/model_executor/model_runner.py
@@ -203,7 +203,7 @@ _is_xpu_xmx_available = xpu_has_xmx_support()
 SGLANG_CI_SMALL_KV_SIZE = os.getenv("SGLANG_CI_SMALL_KV_SIZE", None)
 
 # Detect stragger ranks in model loading
-UNBALANCED_MODEL_LOADING_TIMEOUT_S = 36000
+UNBALANCED_MODEL_LOADING_TIMEOUT_S = 3600
 
 # the ratio of mamba cache pool size to max_running_requests, it will be safe when it is larger than 2 (yizhang2077)
 MAMBA_CACHE_SIZE_MAX_RUNNING_REQUESTS_RATIO = 3