diff --git a/vllm/patches/deepseek_v4.py b/vllm/patches/deepseek_v4.py
index de36f4ff..76fae940 100644
--- a/vllm/patches/deepseek_v4.py
+++ b/vllm/patches/deepseek_v4.py
@@ -1648,7 +1648,7 @@ class DeepseekV4Model(nn.Module):
         for layer in islice(self.layers, self.start_layer, self.end_layer):
             layer.ffn.finalize_mega_moe_weights()
             # Quantize wo_a to FP8 (checkpoint has bfloat16, forward expects FP8)
-            attn = layer.self_attn
+            attn = layer.attn
             if hasattr(attn, 'wo_a') and attn.wo_a.weight.dtype == torch.bfloat16:
                 self._quantize_wo_a_to_fp8(attn.wo_a)