diff --git a/Mk2_3phase_RFdatalog_temp/type_traits.hpp b/Mk2_3phase_RFdatalog_temp/type_traits.hpp
index ccacb696..eb78cf69 100644
--- a/Mk2_3phase_RFdatalog_temp/type_traits.hpp
+++ b/Mk2_3phase_RFdatalog_temp/type_traits.hpp
@@ -10,7 +10,7 @@
  */
 
 // ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2023, Benoit BLANCHON
+// Copyright © 2014-2024, Benoit BLANCHON
 // MIT License
 
 #pragma once
diff --git a/Mk2_3phase_RFdatalog_temp/type_traits/is_convertible.hpp b/Mk2_3phase_RFdatalog_temp/type_traits/is_convertible.hpp
index d50754b0..843039cc 100644
--- a/Mk2_3phase_RFdatalog_temp/type_traits/is_convertible.hpp
+++ b/Mk2_3phase_RFdatalog_temp/type_traits/is_convertible.hpp
@@ -25,10 +25,10 @@ struct is_convertible
   static int probe(To);
   static char probe(...);
 
-  static From& _from;
+  static From& from_;
 
-public:
-  static const bool value = sizeof(probe(_from)) == sizeof(int);
+ public:
+  static const bool value = sizeof(probe(from_)) == sizeof(int);
 };
 #ifdef _MSC_VER
 #pragma warning(pop)