diff --git a/libcudacxx/include/cuda/std/__tuple_dir/make_tuple_types.h b/libcudacxx/include/cuda/std/__tuple_dir/make_tuple_types.h
index f2aa4613cc9..f0b81b68a28 100644
--- a/libcudacxx/include/cuda/std/__tuple_dir/make_tuple_types.h
+++ b/libcudacxx/include/cuda/std/__tuple_dir/make_tuple_types.h
@@ -20,7 +20,9 @@
 #  pragma system_header
 #endif // no system header
 
+#include <cuda/__fwd/complex.h>
 #include <cuda/std/__fwd/array.h>
+#include <cuda/std/__fwd/complex.h>
 #include <cuda/std/__fwd/tuple.h>
 #include <cuda/std/__tuple_dir/tuple_element.h>
 #include <cuda/std/__tuple_dir/tuple_indices.h>
@@ -61,7 +63,27 @@ struct __make_tuple_types_flat<array<_Vt, _Np>, __tuple_indices<_Idx...>>
   template <size_t>
   using __value_type = _Vt;
   template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
-  using __apply_quals = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
+  using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
+};
+
+template <class _Vt, size_t... _Idx>
+struct __make_tuple_types_flat<complex<_Vt>, __tuple_indices<_Idx...>>
+{
+  static_assert(sizeof...(_Idx) == 2, "__make_tuple_types: complex has only 2 members");
+  template <size_t>
+  using __value_type = _Vt;
+  template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
+  using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
+};
+
+template <class _Vt, size_t... _Idx>
+struct __make_tuple_types_flat<::cuda::complex<_Vt>, __tuple_indices<_Idx...>>
+{
+  static_assert(sizeof...(_Idx) == 2, "__make_tuple_types: complex has only 2 members");
+  template <size_t>
+  using __value_type = _Vt;
+  template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
+  using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
 };
 
 template <class _Tp,
diff --git a/libcudacxx/include/cuda/std/__tuple_dir/tuple_like.h b/libcudacxx/include/cuda/std/__tuple_dir/tuple_like.h
index f03d1f9d260..47c1e4a4076 100644
--- a/libcudacxx/include/cuda/std/__tuple_dir/tuple_like.h
+++ b/libcudacxx/include/cuda/std/__tuple_dir/tuple_like.h
@@ -20,6 +20,7 @@
 #  pragma system_header
 #endif // no system header
 
+#include <cuda/__fwd/complex.h>
 #include <cuda/std/__concepts/concept_macros.h>
 #include <cuda/std/__fwd/array.h>
 #include <cuda/std/__fwd/complex.h>
@@ -58,6 +59,9 @@ inline constexpr bool __tuple_like_impl<array<_Tp, _Size>> = true;
 template <class _Tp>
 inline constexpr bool __tuple_like_impl<complex<_Tp>> = true;
 
+template <class _Tp>
+inline constexpr bool __tuple_like_impl<::cuda::complex<_Tp>> = true;
+
 template <class _Ip, class _Sp, ::cuda::std::ranges::subrange_kind _Kp>
 inline constexpr bool __tuple_like_impl<::cuda::std::ranges::subrange<_Ip, _Sp, _Kp>> = true;
 
diff --git a/libcudacxx/include/cuda/std/__tuple_dir/tuple_like_ext.h b/libcudacxx/include/cuda/std/__tuple_dir/tuple_like_ext.h
index e5637577bd1..663fae47b06 100644
--- a/libcudacxx/include/cuda/std/__tuple_dir/tuple_like_ext.h
+++ b/libcudacxx/include/cuda/std/__tuple_dir/tuple_like_ext.h
@@ -20,6 +20,7 @@
 #  pragma system_header
 #endif // no system header
 
+#include <cuda/__fwd/complex.h>
 #include <cuda/std/__fwd/array.h>
 #include <cuda/std/__fwd/complex.h>
 #include <cuda/std/__fwd/pair.h>
@@ -54,6 +55,9 @@ inline constexpr bool __tuple_like_ext<array<_Tp, _Size>> = true;
 template <class _Tp>
 inline constexpr bool __tuple_like_ext<complex<_Tp>> = true;
 
+template <class _Tp>
+inline constexpr bool __tuple_like_ext<::cuda::complex<_Tp>> = true;
+
 template <class... _Tp>
 inline constexpr bool __tuple_like_ext<__tuple_types<_Tp...>> = true;