diff --git a/include/rexy/string_base.hpp b/include/rexy/string_base.hpp
index 4eecb99..b976a82 100644
--- a/include/rexy/string_base.hpp
+++ b/include/rexy/string_base.hpp
@@ -238,6 +238,8 @@ namespace rexy{
 		using const_reference = typename string_base<Char>::const_reference;
 		using iterator = typename string_base<Char>::iterator;
 		using const_iterator = typename string_base<Char>::const_iterator;
+		using reverse_iterator = typename string_base<Char>::reverse_iterator;
+		using const_reverse_iterator = typename string_base<Char>::const_reverse_iterator;
 		using allocator_type = Allocator;
 
 	private: