diff --git a/include/duckhandy/int_conv.hpp b/include/duckhandy/int_conv.hpp
index a092046..b455c9d 100644
--- a/include/duckhandy/int_conv.hpp
+++ b/include/duckhandy/int_conv.hpp
@@ -22,27 +22,37 @@
 #include <type_traits>
 #include <string>
 #include <string_view>
+#include <stdexcept>
 
 namespace dhandy {
 	namespace implem {
-		template <typename T, typename F>
+		template <typename T, typename F, bool SafeRetval>
 		struct IntConv;
 
-		template <typename F>
-		struct IntConv<std::enable_if_t<std::is_integral_v<F>, std::string>, F> {
+		template <typename F, bool SafeRetval>
+		struct IntConv<std::enable_if_t<std::is_integral_v<F>, std::string>, F, SafeRetval> {
 			static std::string conv (const F& in) {
 				auto retval = dhandy::int_to_ary(in);
 				return std::string(retval.begin(), retval.end() - 1);
 			}
 		};
-		template <typename T>
-		struct IntConv<T, std::enable_if_t<std::is_integral_v<T>, std::string>> {
-			static T conv (const std::string& in) {
+		template <typename F, bool SafeRetval>
+		struct IntConv<std::enable_if_t<std::is_integral_v<F>, std::string_view>, F, SafeRetval> {
+			constexpr static std::string_view conv (const F& in) {
+				if (std::is_constant_evaluated() or not SafeRetval)
+					return dhandy::int_to_ary(in).to_string_view();
+				else
+					throw std::logic_error("Only callable in a constexpr context, call int_conv_temporary() instead if you know what you're doing");
+			}
+		};
+		template <typename T, bool SafeRetval>
+		struct IntConv<T, std::enable_if_t<std::is_integral_v<T>, std::string>, SafeRetval> {
+			constexpr static T conv (const std::string& in) {
 				return dhandy::ary_to_int<T>(in.data(), in.data() + in.size());
 			}
 		};
-		template <typename T>
-		struct IntConv<T, std::enable_if_t<std::is_integral_v<T>, std::string_view>> {
+		template <typename T, bool SafeRetval>
+		struct IntConv<T, std::enable_if_t<std::is_integral_v<T>, std::string_view>, SafeRetval> {
 			constexpr static T conv (const std::string_view& in) {
 				return dhandy::ary_to_int<T>(in.data(), in.data() + in.size());
 			}
@@ -51,7 +61,12 @@ namespace dhandy {
 
 	template <typename To, typename From>
 	constexpr inline To int_conv (const From& from) {
-		return implem::IntConv<To, From>::conv(from);
+		return implem::IntConv<To, From, true>::conv(from);
+	}
+
+	template <typename To, typename From>
+	constexpr inline To int_conv_temporary (const From& from) {
+		return implem::IntConv<To, From, false>::conv(from);
 	}
 } //namespace dhandy