diff --git a/backend-python/rwkv_pip/beta/model.py b/backend-python/rwkv_pip/beta/model.py
index ca32e1a..1c90fbf 100644
--- a/backend-python/rwkv_pip/beta/model.py
+++ b/backend-python/rwkv_pip/beta/model.py
@@ -94,7 +94,7 @@ if os.environ.get("RWKV_CUDA_ON") == "1":
                 f"{current_path}/cuda/att_one_v5.cu",
             ],
             verbose=True,
-            extra_ldflags=["cublas.lib"],
+            extra_ldflags=["cublas.lib" if os.name == "nt" else ""],
             extra_cuda_cflags=[
                 "-t 4",
                 "-std=c++17",