diff --git a/gsl/gsl_util b/gsl/gsl_util
index 17a1edb..f0ac964 100644
--- a/gsl/gsl_util
+++ b/gsl/gsl_util
@@ -93,11 +93,19 @@ inline final_act<F> finally(F&& f) noexcept
 }
 
 // narrow_cast(): a searchable way to do narrowing casts of values
+#if _MSC_VER <= 1800
 template <class T, class U>
 inline constexpr T narrow_cast(U u) noexcept
 {
     return static_cast<T>(u);
 }
+#else
+template <class T, class U>
+inline constexpr T narrow_cast(U&& u) noexcept
+{
+    return static_cast<T>(std::forward<U>(u));
+}
+#endif
 
 struct narrowing_error : public std::exception
 {