diff --git a/inst/include/jsonify/from_json/from_json.hpp b/inst/include/jsonify/from_json/from_json.hpp
index e9cc6b9..bb0df08 100644
--- a/inst/include/jsonify/from_json/from_json.hpp
+++ b/inst/include/jsonify/from_json/from_json.hpp
@@ -67,6 +67,7 @@ namespace from_json {
     return out;
   }
   
+  // const rapidjson::Value&
   template< typename T >
   inline SEXP parse_json(
       const T& json,
@@ -90,14 +91,14 @@ namespace from_json {
       return Rcpp::wrap< bool >( json );
     }
     case rapidjson::kStringType: {
-      return Rcpp::wrap( std::string( json.GetString() ) );
+      return Rcpp::wrap< const char* >( json );
     }
       // numeric
     case rapidjson::kNumberType: {
       if( json.IsDouble() ) {
-      return Rcpp::wrap< double >( json.GetDouble() );
+      return Rcpp::wrap< double >( json );
     } else {
-      return Rcpp::wrap< int >( json.GetInt() );
+      return Rcpp::wrap< int >( json );
     }
     }
     case rapidjson::kObjectType: {
diff --git a/inst/include/jsonify/from_json/simplify/simplify.hpp b/inst/include/jsonify/from_json/simplify/simplify.hpp
index 641c962..ca2b7b2 100644
--- a/inst/include/jsonify/from_json/simplify/simplify.hpp
+++ b/inst/include/jsonify/from_json/simplify/simplify.hpp
@@ -90,14 +90,14 @@ namespace from_json {
       // bool
       case rapidjson::kFalseType: {}
       case rapidjson::kTrueType: {
-        out[i] = child.GetBool();
+        out[i] = Rcpp::wrap< bool >( child );
         update_rtype< LGLSXP >( r_type );
         break;
       }
         
         // string
       case rapidjson::kStringType: {
-        out[i] = Rcpp::String( child.GetString() );
+        out[i] = Rcpp::wrap< const char * >( child );
         update_rtype< STRSXP >( r_type );
         break;
       }
@@ -106,11 +106,11 @@ namespace from_json {
       case rapidjson::kNumberType: {
         if( child.IsDouble() ) {
         // double
-        out[i] = child.GetDouble();
+        out[i] = Rcpp::wrap< double >( child );
         update_rtype< REALSXP >( r_type );
       } else {
         // int
-        out[i] = child.GetInt();
+        out[i] = Rcpp::wrap< int >( child );
         update_rtype< INTSXP >( r_type );
       }
       break;
diff --git a/inst/include/jsonify/jsonify_types.hpp b/inst/include/jsonify/jsonify_types.hpp
index fb92577..8bf0077 100644
--- a/inst/include/jsonify/jsonify_types.hpp
+++ b/inst/include/jsonify/jsonify_types.hpp
@@ -7,29 +7,23 @@
 
 namespace Rcpp {
 
-template< typename T > SEXP wrap( const rapidjson::Value& obj );
+  // template<> SEXP wrap( std::basic_string& obj );
+  template< typename T > SEXP wrap( const rapidjson::Value& obj );
 
 namespace traits {
 
 } // traits
 } // Rcpp
 
-
-
-
 #include <Rcpp.h>
 
-
-
 namespace Rcpp {
 
-template< typename T >
-SEXP wrap( const rapidjson::Value& obj) {
-
-  const int RTYPE = Rcpp::traits::r_sexptype_traits< T >::rtype;
-  
-  return Rcpp::wrap< RTYPE >( obj.Get< T >() );
-}
+  template< typename T >
+  SEXP wrap( const rapidjson::Value& obj) {
+    auto b = obj.Get< T >();
+    return Rcpp::wrap( b );
+  }
 
 
 namespace traits {