diff --git a/include/duckhandy/implem/int_conv.hpp b/include/duckhandy/implem/int_conv.hpp
index 276238d..27a2386 100644
--- a/include/duckhandy/implem/int_conv.hpp
+++ b/include/duckhandy/implem/int_conv.hpp
@@ -195,7 +195,7 @@ namespace dhandy {
 		};
 
 		template <typename I, typename Tr, typename=typename std::enable_if<Tr::BehavesLikeASCII and std::is_integral<I>::value and not std::is_same<I, bool>::value and sizeof(I) <= sizeof(uint32_t)>::type>
-		using SelectIForSSEToInt = I;
+		struct SelectIForSSEToInt;
 
 		template <typename I, unsigned int Base, typename Tr>
 		struct AryConversion<SelectIForSSEToInt<I, Tr>, Base, Tr> {
diff --git a/include/duckhandy/string_bt.hpp b/include/duckhandy/string_bt.hpp
index f4962d2..e6f6be3 100644
--- a/include/duckhandy/string_bt.hpp
+++ b/include/duckhandy/string_bt.hpp
@@ -63,6 +63,11 @@ namespace dhandy {
 			const value_type m_data[S];
 		};
 
+		template <std::size_t S, typename Ch>
+		constexpr auto string<S, Ch>::operator[] (std::size_t parIndex) const -> value_type {
+			return (parIndex < S ? m_data[parIndex] : throw std::out_of_range(""));
+		}
+
 		namespace implem {
 			template <std::size_t S, std::size_t S2, std::size_t... I>
 			constexpr string<S + S2 - 1> concat ( const index_seq<I...>&, const string<S>& parLeft, const string<S2>& parRight ) {
@@ -108,11 +113,6 @@ namespace dhandy {
 			return parStream;
 		}
 
-		template <std::size_t S, typename Ch>
-		constexpr auto string<S, Ch>::operator[] (std::size_t parIndex) const -> value_type {
-			return (parIndex < S ? m_data[parIndex] : throw std::out_of_range(""));
-		}
-
 		template <std::size_t S, typename Ch>
 		constexpr string<S, Ch> make_string (const Ch (&parData)[S]) {
 			return string<S>(parData);