diff --git a/include/rexy/string_base.hpp b/include/rexy/string_base.hpp
index 6a3fc9a..8933fe7 100644
--- a/include/rexy/string_base.hpp
+++ b/include/rexy/string_base.hpp
@@ -28,7 +28,7 @@
 #include <initializer_list>
 
 #include "steal.hpp"
-#include "utility.hpp"
+#include "utility.hpp" //memcpy
 #include "traits.hpp"
 #include "expression.hpp"
 #include "detail/string_appender.hpp"
@@ -161,7 +161,7 @@ namespace rexy{
 			}else if(len){
 				set_islong_flag(false);
 				pointer raw = set_short_ptr();
-				memcpy(raw, data, sizeof(value_type)*len);
+				rexy::memcpy(raw, data, sizeof(value_type)*len);
 				raw[len] = 0;
 				set_short_length(len);
 				set_short_capacity(cap);