diff --git a/include/nameof.hpp b/include/nameof.hpp
index 2202f5b..70f8c35 100644
--- a/include/nameof.hpp
+++ b/include/nameof.hpp
@@ -968,7 +968,7 @@ constexpr auto n() noexcept {
 #if defined(__clang__) || defined(__GNUC__)
     constexpr auto name = pretty_name({__PRETTY_FUNCTION__, sizeof(__PRETTY_FUNCTION__) - 2});
 #elif defined(_MSC_VER) && defined(_MSVC_LANG) && _MSVC_LANG >= 202002L
-    constexpr auto name = pretty_name({__FUNCSIG__, sizeof(__FUNCSIG__) - 18});
+    constexpr auto name = pretty_name({__FUNCSIG__, sizeof(__FUNCSIG__) - 16});
 #else
     constexpr auto name = string_view{};
 #endif