diff --git a/source/detail/serialization/xlsx_producer.hpp b/source/detail/serialization/xlsx_producer.hpp
index aa324a92..7100274f 100644
--- a/source/detail/serialization/xlsx_producer.hpp
+++ b/source/detail/serialization/xlsx_producer.hpp
@@ -172,7 +172,7 @@ private:
 
     // std::string attribute name
     // not integer or float type
-    template <typename T, typename = std::enable_if<!std::is_convertible_v<T, double>>::type>
+    template <typename T, typename = std::enable_if<!std::is_convertible<T, double>::value>::type>
     void write_attribute(const std::string &name, T value)
     {
         current_part_serializer_->attribute(name, value);
@@ -185,7 +185,7 @@ private:
 
     // qname attribute name
     // not integer or float type
-    template <typename T, typename = std::enable_if<!std::is_convertible_v<T, double>>::type>
+    template <typename T, typename = std::enable_if<!std::is_convertible<T, double>::value>::type>
     void write_attribute(const xml::qname &name, T value)
     {
         current_part_serializer_->attribute(name, value);