diff --git a/python/sglang/srt/mem_cache/storage/backend_factory.py b/python/sglang/srt/mem_cache/storage/backend_factory.py
index 2eb6afe24..eaa5a3e18 100644
--- a/python/sglang/srt/mem_cache/storage/backend_factory.py
+++ b/python/sglang/srt/mem_cache/storage/backend_factory.py
@@ -161,7 +161,7 @@ class StorageBackendFactory:
         if backend_name == "file":
             return backend_class(storage_config)
         elif backend_name == "nixl":
-            return backend_class(storage_config, mem_pool_host)
+            return backend_class(storage_config)
         elif backend_name == "mooncake":
             backend = backend_class(storage_config, mem_pool_host)
             return backend