diff --git a/include/fmt/format.h b/include/fmt/format.h
index 79bf52569f38..477f72d773f1 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2752,7 +2752,7 @@ template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value&&
                                         has_isfinite<T>::value)>
 FMT_CONSTEXPR20 bool isfinite(T value) {
   constexpr T inf = T(std::numeric_limits<double>::infinity());
-  if (is_constant_evaluated())
+  if (is_constant_evaluated(true))
     return !detail::isnan(value) && value < inf && value > -inf;
   return std::isfinite(value);
 }