diff --git a/headers/cpp/string b/headers/cpp/string
index fa6f1abaa7..3865c418b2 100644
--- a/headers/cpp/string
+++ b/headers/cpp/string
@@ -7,7 +7,7 @@
 
 extern "C++" {
 typedef basic_string <char> string;
-// typedef basic_string <wchar_t> wstring;
+typedef basic_string <wchar_t> wstring;
 } // extern "C++"
 
 #endif