diff --git a/example/ck_tile/01_fmha/fmha_fwd.hpp b/example/ck_tile/01_fmha/fmha_fwd.hpp
index 71a80c4d61..1cfb2f0e15 100644
--- a/example/ck_tile/01_fmha/fmha_fwd.hpp
+++ b/example/ck_tile/01_fmha/fmha_fwd.hpp
@@ -431,13 +431,13 @@ template <typename Traits_>
 float fmha_fwd_(const ck_tile::stream_config&, fmha_fwd_args);
 
 template <typename Traits_>
-float fmha_fwd_splitkv_oneshot_(const ck_tile::stream_config&, fmha_fwd_args);
+void fmha_fwd_splitkv_oneshot_(const ck_tile::stream_config&, fmha_fwd_args);
 
 template <typename Traits_>
 std::string fmha_fwd_splitkv_get_name_();
 
 template <typename Traits_>
-float fmha_fwd_splitkv_combine_oneshot_(const ck_tile::stream_config&, fmha_fwd_args);
+void fmha_fwd_splitkv_combine_oneshot_(const ck_tile::stream_config&, fmha_fwd_args);
 
 template <typename Traits_>
 std::string fmha_fwd_splitkv_combine_get_name_();
diff --git a/example/ck_tile/01_fmha/generate.py b/example/ck_tile/01_fmha/generate.py
index 2d103558ea..8453028b3c 100644
--- a/example/ck_tile/01_fmha/generate.py
+++ b/example/ck_tile/01_fmha/generate.py
@@ -232,13 +232,13 @@ using trait_{F_idx} = fmha_fwd_traits_<{F_hdim}, {F_dtype}, {F_mode},{F_bm0}, {F
 #include <iostream>
 
 template<>
-float fmha_fwd_splitkv_oneshot_<trait_{F_idx}>(const ck_tile::stream_config& s, fmha_fwd_args a)
+void fmha_fwd_splitkv_oneshot_<trait_{F_idx}>(const ck_tile::stream_config& s, fmha_fwd_args a)
 {{
     using k_ = fmha_kernel_{F_idx};
     auto [kargs, grids] = fmha_fwd_splitkv_create_kargs_and_grids<k_>(a);
     constexpr dim3 blocks             = k_::BlockSize();
     constexpr ck_tile::index_t kBlockPerCu = k_::kBlockPerCu;
-    return ck_tile::launch_kernel(s, ck_tile::make_kernel<blocks.x, kBlockPerCu>(k_{{}}, grids, blocks, 0, kargs));
+    ck_tile::make_kernel<blocks.x, kBlockPerCu>(k_{{}}, grids, blocks, 0, kargs)(ck_tile::stream_config{{s.stream_id_}});
 }}
 
 template<>
@@ -312,13 +312,13 @@ using trait_{F_idx} = fmha_fwd_traits_<{F_hdim}, {F_dtype}, {F_mode},{F_bm0}, {F
 #include <iostream>
 
 template<>
-float fmha_fwd_splitkv_combine_oneshot_<trait_{F_idx}>(const ck_tile::stream_config& s, fmha_fwd_args a)
+void fmha_fwd_splitkv_combine_oneshot_<trait_{F_idx}>(const ck_tile::stream_config& s, fmha_fwd_args a)
 {{
     using k_ = fmha_kernel_{F_idx};
     auto [kargs, grids] = fmha_fwd_splitkv_combine_create_kargs_and_grids<k_>(a);
     constexpr dim3 blocks             = k_::BlockSize();
     constexpr ck_tile::index_t kBlockPerCu = k_::kBlockPerCu;
-    return ck_tile::launch_kernel(s, ck_tile::make_kernel<blocks.x, kBlockPerCu>(k_{{}}, grids, blocks, 0, kargs));
+    ck_tile::make_kernel<blocks.x, kBlockPerCu>(k_{{}}, grids, blocks, 0, kargs)(ck_tile::stream_config{{s.stream_id_}});
 }}
 
 template<>