diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index 15e7f2df..c8d8ab37 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -428,7 +428,7 @@ SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
 #if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
 SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
 {
-    if (wstr.size() > static_cast<size_t>(std::numeric_limits<int>::max()))
+    if (wstr.size() > static_cast<size_t>((std::numeric_limits<int>::max())))
     {
         SPDLOG_THROW(spdlog::spdlog_ex("UTF-16 string is too big to be converted to UTF-8"));
     }