diff --git a/cpp/include/raft_runtime/neighbors/ivf_flat.hpp b/cpp/include/raft_runtime/neighbors/ivf_flat.hpp
index b678b1a515..7b6daad427 100644
--- a/cpp/include/raft_runtime/neighbors/ivf_flat.hpp
+++ b/cpp/include/raft_runtime/neighbors/ivf_flat.hpp
@@ -48,9 +48,9 @@ namespace raft::runtime::neighbors::ivf_flat {
                                                                                      \
   void reconstruct_list_data(raft::resources const& handle,                          \
                              const raft::neighbors::ivf_flat::index<T, IdxT>& idx,   \
-                             device_matrix_view<T, uint32_t, row_major> out_vectors,     \
-                             uint32_t label,                                             \
-                             uint32_t offset);                                           \
+                             device_matrix_view<T, uint32_t, row_major> out_vectors, \
+                             uint32_t label,                                         \
+                             uint32_t offset);                                       \
                                                                                      \
   void serialize_file(raft::resources const& handle,                                 \
                       const std::string& filename,                                   \