diff --git a/src/utils/microfmt.hpp b/src/utils/microfmt.hpp
index cec2ab9..ba47db7 100644
--- a/src/utils/microfmt.hpp
+++ b/src/utils/microfmt.hpp
@@ -47,6 +47,10 @@ namespace microfmt {
         }
         #endif
 
+        template<typename U, typename V> U to(V v) {
+            return static_cast<U>(v); // A way to cast to U without "warning: useless cast to type"
+        }
+
         enum class alignment { left, right };
 
         struct format_options {
@@ -84,7 +88,7 @@ namespace microfmt {
                 // log_2(x) == 63 - clz(x)
                 // 1 + (63 - clz(value)) / (63 - clz(1 << shift))
                 // 63 - clz(1 << shift) is the same as shift
-                auto n_digits = static_cast<std::size_t>(1 + (63 - clz(value)) / shift);
+                auto n_digits = to<std::size_t>(1 + (63 - clz(value)) / shift);
                 std::string number;
                 number.resize(n_digits);
                 std::size_t i = n_digits - 1;