diff --git a/include/argparse/argparse.hpp b/include/argparse/argparse.hpp
index 12e9b07..9c71697 100644
--- a/include/argparse/argparse.hpp
+++ b/include/argparse/argparse.hpp
@@ -362,7 +362,7 @@ struct can_invoke_to_string {
 };
 
 template <typename T>
-struct is_choice_type_supported {
+struct IsChoiceTypeSupported {
     using CleanType = typename std::decay<T>::type;
     static const bool value = std::is_integral<CleanType>::value ||
         std::is_same<CleanType, std::string>::value ||
@@ -555,7 +555,7 @@ public:
 
   template <typename T>
   void add_choice(T&& choice) {
-    static_assert(details::is_choice_type_supported<T>::value, "Only string or integer type supported for choice");
+    static_assert(details::IsChoiceTypeSupported<T>::value, "Only string or integer type supported for choice");
     static_assert(std::is_convertible_v<T, std::string_view> || details::can_invoke_to_string<T>::value, "Choice is not convertible to string_type");
     if (!m_choices.has_value()) {
       m_choices = std::vector<std::string>{};