diff --git a/python/sglang/srt/layers/quantization/fp8.py b/python/sglang/srt/layers/quantization/fp8.py
index 31a2c2eb2..ecdca3381 100644
--- a/python/sglang/srt/layers/quantization/fp8.py
+++ b/python/sglang/srt/layers/quantization/fp8.py
@@ -656,7 +656,7 @@ class Fp8MoEMethod(FusedMoEMethodBase):
                 )
                 self.c_strides2 = torch.full(
                     (num_experts,),
-                    intermediate_size_per_partition,
+                    hidden_size,
                     device=w2_weight.device,
                     dtype=torch.int64,
                 )