diff --git a/include/ck/tensor_operation/gpu/device/impl/device_grouped_conv_bwd_data_multiple_d_xdl_cshuffle_v1.hpp b/include/ck/tensor_operation/gpu/device/impl/device_grouped_conv_bwd_data_multiple_d_xdl_cshuffle_v1.hpp
index 6f9f04cbdd..01b06f8d79 100644
--- a/include/ck/tensor_operation/gpu/device/impl/device_grouped_conv_bwd_data_multiple_d_xdl_cshuffle_v1.hpp
+++ b/include/ck/tensor_operation/gpu/device/impl/device_grouped_conv_bwd_data_multiple_d_xdl_cshuffle_v1.hpp
@@ -1673,7 +1673,7 @@ struct DeviceGroupedConvBwdDataMultipleD_Xdl_CShuffle_v1
                                                                                       EDataType,
                                                                                       GroupPerBlock,
                                                                                       BatchPerBlock,
-                                                                                      BlockDim,
+                                                                                      512,
                                                                                       5,
                                                                                       5,
                                                                                       1,