diff --git a/lmdeploy/pytorch/backends/dlinfer/linear.py b/lmdeploy/pytorch/backends/dlinfer/linear.py
index f2450a974..ccfb06649 100644
--- a/lmdeploy/pytorch/backends/dlinfer/linear.py
+++ b/lmdeploy/pytorch/backends/dlinfer/linear.py
@@ -16,7 +16,7 @@ def update_weights(self,
                        weight: torch.Tensor,
                        bias: Optional[torch.Tensor] = None):
         """update weights."""
-        if os.getenv('TORCH_MACA_NN_LAYOUT', 'False').lower() == 'true':
+        if os.getenv('DLINER_LINEAR_USE_NN_LAYOUT', 'False').lower() == 'true':
             weight = weight.data.t().contiguous()
         return weight, bias