diff --git a/include/stdex/system.hpp b/include/stdex/system.hpp
index fa7aca56b..89105ff99 100644
--- a/include/stdex/system.hpp
+++ b/include/stdex/system.hpp
@@ -75,6 +75,28 @@ namespace stdex
 	///
 	using sstring = std::basic_string<stdex::schar_t>;
 
+#ifdef UNICODE
+	inline sstring to_sstring(int value) { return std::to_wstring(value); }
+	inline sstring to_sstring(long value) { return std::to_wstring(value); }
+	inline sstring to_sstring(long long value) { return std::to_wstring(value); }
+	inline sstring to_sstring(unsigned value) { return std::to_wstring(value); }
+	inline sstring to_sstring(unsigned long value) { return std::to_wstring(value); }
+	inline sstring to_sstring(unsigned long long value) { return std::to_wstring(value); }
+	inline sstring to_sstring(float value) { return std::to_wstring(value); }
+	inline sstring to_sstring(double value) { return std::to_wstring(value); }
+	inline sstring to_sstring(long double value) { return std::to_wstring(value); }
+#else
+	inline sstring to_sstring(int value) { return std::to_string(value); }
+	inline sstring to_sstring(long value) { return std::to_string(value); }
+	inline sstring to_sstring(long long value) { return std::to_string(value); }
+	inline sstring to_sstring(unsigned value) { return std::to_string(value); }
+	inline sstring to_sstring(unsigned long value) { return std::to_string(value); }
+	inline sstring to_sstring(unsigned long long value) { return std::to_string(value); }
+	inline sstring to_sstring(float value) { return std::to_string(value); }
+	inline sstring to_sstring(double value) { return std::to_string(value); }
+	inline sstring to_sstring(long double value) { return std::to_string(value); }
+#endif
+
 	///
 	/// String for system functions for backward compatibility
 	/// Use stdex::sstring