diff --git a/toml/region.hpp b/toml/region.hpp
index 68defa5..c87547a 100644
--- a/toml/region.hpp
+++ b/toml/region.hpp
@@ -498,7 +498,7 @@ inline std::string format_underline(const std::string& message,
         {
             // invalid
             // ~~~~~~~
-            const auto underline_len = std::min(reg->size(), reg->line().size());
+            const auto underline_len = (std::min)(reg->size(), reg->line().size());
             retval << color::bold << color::red
                    << make_string(underline_len, '~') << color::reset;
         }
diff --git a/toml/serializer.hpp b/toml/serializer.hpp
index 46a2b70..286c4ca 100644
--- a/toml/serializer.hpp
+++ b/toml/serializer.hpp
@@ -555,7 +555,7 @@ struct serializer
         for(const auto& item : v)
         {
             if(is_first) {is_first = false;} else {token += ',';}
-            token += visit(serializer(std::numeric_limits<std::size_t>::max(),
+            token += visit(serializer((std::numeric_limits<std::size_t>::max)(),
                                       this->float_prec_, true), item);
         }
         token += ']';
@@ -575,7 +575,7 @@ struct serializer
             if(is_first) {is_first = false;} else {token += ',';}
             token += format_key(kv.first);
             token += '=';
-            token += visit(serializer(std::numeric_limits<std::size_t>::max(),
+            token += visit(serializer((std::numeric_limits<std::size_t>::max)(),
                                       this->float_prec_, true), kv.second);
         }
         token += '}';