diff --git a/src/core/include/mp-units/framework/dimension.h b/src/core/include/mp-units/framework/dimension.h
index 95371ae56..05e8c61ab 100644
--- a/src/core/include/mp-units/framework/dimension.h
+++ b/src/core/include/mp-units/framework/dimension.h
@@ -213,7 +213,7 @@ template<std::intmax_t Num, std::intmax_t Den = 1, Dimension D>
 
 
 struct dimension_symbol_formatting {
-#if MP_UNITS_COMP_CLANG
+#if MP_UNITS_COMP_CLANG || MP_UNITS_COMP_MSVC
   // TODO prevents the deprecated usage in implicit copy constructor warning
   character_set char_set = character_set::default_character_set;
 #else
diff --git a/src/core/include/mp-units/framework/unit_symbol_formatting.h b/src/core/include/mp-units/framework/unit_symbol_formatting.h
index 9183b4f3c..2cc605393 100644
--- a/src/core/include/mp-units/framework/unit_symbol_formatting.h
+++ b/src/core/include/mp-units/framework/unit_symbol_formatting.h
@@ -54,7 +54,7 @@ enum class unit_symbol_separator : std::int8_t {
 };
 
 struct unit_symbol_formatting {
-#if MP_UNITS_COMP_CLANG
+#if MP_UNITS_COMP_CLANG || MP_UNITS_COMP_MSVC
   // TODO prevents the deprecated usage in implicit copy constructor warning
   character_set char_set = character_set::default_character_set;
 #else