diff --git a/example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack.hpp b/example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack_0.hpp
similarity index 99%
rename from example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack.hpp
rename to example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack_0.hpp
index f0145e7b85..1b895c81a9 100644
--- a/example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack.hpp
+++ b/example/ck_tile/18_hstu_attention/block_gemm_areg_bsmem_creg_v2_hack_0.hpp
@@ -12,7 +12,7 @@ namespace ck_tile {
 // B is block window on shared memory
 // C is block distributed tensor
 template <typename Problem_, typename Policy_ = BlockGemmARegBSmemCRegV2DefaultPolicy>
-struct BlockGemmARegBSmemCRegV2Hack
+struct BlockGemmARegBSmemCRegV2Hack_0
 {
     using Problem        = remove_cvref_t<Problem_>;
     using Policy         = remove_cvref_t<Policy_>;
diff --git a/example/ck_tile/18_hstu_attention/hstu_attention_fwd_pipeline_default_policy.hpp b/example/ck_tile/18_hstu_attention/hstu_attention_fwd_pipeline_default_policy.hpp
index 9ea83ec606..bcd8ad4a12 100644
--- a/example/ck_tile/18_hstu_attention/hstu_attention_fwd_pipeline_default_policy.hpp
+++ b/example/ck_tile/18_hstu_attention/hstu_attention_fwd_pipeline_default_policy.hpp
@@ -6,7 +6,7 @@
 #include "ck_tile/core.hpp"
 #include "ck_tile/ops/fmha/pipeline/block_fmha_pipeline_qx_ks_vs_custom_policy.hpp"
 
-#include "block_gemm_areg_bsmem_creg_v2_hack.hpp"
+#include "block_gemm_areg_bsmem_creg_v2_hack_0.hpp"
 
 namespace ck_tile {
 
@@ -413,7 +413,7 @@ struct HstuAttentionFwdPipelineQRKSVSDefaultPolicy
                                                  decltype(warp_gemm)>;
 
         if constexpr(1 < Problem::kNumGemm0Warps)
-            return BlockGemmARegBSmemCRegV2Hack<GemmProblem, BlockGemmPolicy>{};
+            return BlockGemmARegBSmemCRegV2Hack_0<GemmProblem, BlockGemmPolicy>{};
         else
             return BlockGemmARegBSmemCRegOneWarpV1<GemmProblem, BlockGemmPolicy>{};
     }