From a83027f47e25e08ce08554c9a5068c57a3bac64a Mon Sep 17 00:00:00 2001
From: Felix Thaler <thaler@cscs.ch>
Date: Wed, 25 Sep 2024 11:18:05 +0200
Subject: [PATCH] Address review comment

---
 include/gridtools/fn/backend/common.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/gridtools/fn/backend/common.hpp b/include/gridtools/fn/backend/common.hpp
index 6616ee9ee..8bbcb986b 100644
--- a/include/gridtools/fn/backend/common.hpp
+++ b/include/gridtools/fn/backend/common.hpp
@@ -35,8 +35,7 @@ namespace gridtools::fn::backend {
         constexpr GT_FUNCTION auto make_unrolled_loops(Sizes const &sizes, UnrollFactors) {
             return tuple_util::host_device::fold(
                 [&](auto outer, auto dim) {
-                    using unroll_factor = std::remove_reference_t<decltype(host_device::at_key<decltype(dim)>(
-                        std::declval<UnrollFactors const &>()))>;
+                    using unroll_factor = element_at<decltype(dim), UnrollFactors>;
                     return [outer = std::move(outer),
                                inner = sid::make_unrolled_loop<decltype(dim), unroll_factor::value>(
                                    host_device::at_key<decltype(dim)>(sizes))](