diff --git a/include/rapidjson/rapidjson.h b/include/rapidjson/rapidjson.h
--- a/include/rapidjson/rapidjson.h
+++ b/include/rapidjson/rapidjson.h
@@ -126,7 +126,7 @@
 #ifdef RAPIDJSON_DOXYGEN_RUNNING
 #define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
 #else
-#define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
+#define RAPIDJSON_HAS_STDSTRING 1 // arcadia-default: has std::string support by default
 #endif
 /*! \def RAPIDJSON_HAS_STDSTRING
     \ingroup RAPIDJSON_CONFIG