diff --git a/kernels/portable/cpu/util/reduce_util.h b/kernels/portable/cpu/util/reduce_util.h
index 11bd9f9f546..7d24ae7bda2 100644
--- a/kernels/portable/cpu/util/reduce_util.h
+++ b/kernels/portable/cpu/util/reduce_util.h
@@ -832,7 +832,7 @@ template <typename Func>
     std::optional<ArrayRef<int64_t>> dim_list,
     const Tensor& out,
     const Func& func) {
-#ifdef ET_UE_THREADPOOL
+#ifdef ET_USE_THREADPOOL
   const ssize_t reduction_size = get_reduced_dim_product(in, dim_list);
   const auto grain_size = std::max(
       static_cast<ssize_t>(1),