diff --git a/onnxruntime/python/tools/kernel_explorer/kernels/cuda/dequant_blockwise_int4.cu b/onnxruntime/python/tools/kernel_explorer/kernels/cuda/dequant_blockwise_int4.cu
index 9b5e4079a7..e6dee290a6 100644
--- a/onnxruntime/python/tools/kernel_explorer/kernels/cuda/dequant_blockwise_int4.cu
+++ b/onnxruntime/python/tools/kernel_explorer/kernels/cuda/dequant_blockwise_int4.cu
@@ -51,6 +51,7 @@ class DequantizeInt4 : public IKernelExplorer {
         params_.quant_,
         params_.scales_,
         params_.zero_points_,
+        nullptr, /*reorder_idx*/
         params_.k_,
         params_.n_,
         32,