diff --git a/python/sglang/srt/models/deepseek_v2.py b/python/sglang/srt/models/deepseek_v2.py
index f254a7b3e..044fed350 100644
--- a/python/sglang/srt/models/deepseek_v2.py
+++ b/python/sglang/srt/models/deepseek_v2.py
@@ -913,7 +913,7 @@ class DeepseekV2AttentionMLA(nn.Module):
             and self.fused_qkv_a_proj_with_mqa.weight.dtype == torch.bfloat16
             and self.fused_qkv_a_proj_with_mqa.weight.shape[0] == 2112
             and self.fused_qkv_a_proj_with_mqa.weight.shape[1] == 7168
-            and is_cuda
+            and _is_cuda
             and _device_sm >= 90
         )