diff --git a/src/fintamath/expressions/Expression.cpp b/src/fintamath/expressions/Expression.cpp
index 419dc1454..c20c83211 100644
--- a/src/fintamath/expressions/Expression.cpp
+++ b/src/fintamath/expressions/Expression.cpp
@@ -347,8 +347,7 @@ void Expression::fixOperatorTypes(TermVector &terms) {
     }
   }
 
-  // TODO: use reverse(iota(1, terms.size() - 1)) when it is work
-  for (size_t i = terms.size() - 2; i > 0; i--) {
+  for (auto i : std::views::reverse(std::views::iota(1U, terms.size()))) {
     const auto &term = terms[i];
     const auto &termNext = terms[i + 1];