diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index c3c99982b..5a46db631 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -497,7 +497,7 @@ string JSONRPCRequest(const string& strMethod, const Array& params, const Value&
     request.push_back(Pair("method", strMethod));
     request.push_back(Pair("params", params));
     request.push_back(Pair("id", id));
-    return write_string(Value(request), false) + "\n";
+    return write_string(Value(request), raw_utf8) + "\n";
 }
 
 Object JSONRPCReplyObj(const Value& result, const Value& error, const Value& id)
@@ -515,7 +515,7 @@ Object JSONRPCReplyObj(const Value& result, const Value& error, const Value& id)
 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
 {
     Object reply = JSONRPCReplyObj(result, error, id);
-    return write_string(Value(reply), false) + "\n";
+    return write_string(Value(reply), raw_utf8) + "\n";
 }
 
 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
@@ -945,7 +945,7 @@ static string JSONRPCExecBatch(const Array& vReq)
     for (unsigned int reqIdx = 0; reqIdx < vReq.size(); reqIdx++)
         ret.push_back(JSONRPCExecOne(vReq[reqIdx]));
 
-    return write_string(Value(ret), false) + "\n";
+    return write_string(Value(ret), raw_utf8) + "\n";
 }
 
 void ServiceConnection(AcceptedConnection *conn)
@@ -1235,7 +1235,7 @@ int CommandLineRPC(int argc, char *argv[])
         if (error.type() != null_type)
         {
             // Error
-            strPrint = "error: " + write_string(error, false);
+            strPrint = "error: " + write_string(error, raw_utf8);
             int code = find_value(error.get_obj(), "code").get_int();
             nRet = abs(code);
         }
@@ -1247,7 +1247,7 @@ int CommandLineRPC(int argc, char *argv[])
             else if (result.type() == str_type)
                 strPrint = result.get_str();
             else
-                strPrint = write_string(result, true);
+                strPrint = write_string(result, pretty_print | raw_utf8);
         }
     }
     catch (boost::thread_interrupted) {
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 7f90f4a55..911cef41b 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -157,7 +157,7 @@ void RPCExecutor::request(const QString &command)
         else if (result.type() == json_spirit::str_type)
             strPrint = result.get_str();
         else
-            strPrint = write_string(result, true);
+            strPrint = write_string(result, json_spirit::pretty_print | json_spirit::raw_utf8);
 
         emit reply(RPCConsole::CMD_REPLY, QString::fromStdString(strPrint));
     }
@@ -171,7 +171,7 @@ void RPCExecutor::request(const QString &command)
         }
         catch(std::runtime_error &) // raised when converting to invalid type, i.e. missing code or message
         {   // Show raw JSON object
-            emit reply(RPCConsole::CMD_ERROR, QString::fromStdString(write_string(json_spirit::Value(objError), false)));
+            emit reply(RPCConsole::CMD_ERROR, QString::fromStdString(write_string(json_spirit::Value(objError), json_spirit::raw_utf8)));
         }
     }
     catch (std::exception& e)
diff --git a/src/test/base58_tests.cpp b/src/test/base58_tests.cpp
index 2741672a8..fb8b74276 100644
--- a/src/test/base58_tests.cpp
+++ b/src/test/base58_tests.cpp
@@ -19,7 +19,7 @@ BOOST_AUTO_TEST_CASE(base58_EncodeBase58)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        std::string strTest = write_string(tv, false);
+        std::string strTest = write_string(tv, raw_utf8);
         if (test.size() < 2) // Allow for extra stuff (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
@@ -42,7 +42,7 @@ BOOST_AUTO_TEST_CASE(base58_DecodeBase58)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        std::string strTest = write_string(tv, false);
+        std::string strTest = write_string(tv, raw_utf8);
         if (test.size() < 2) // Allow for extra stuff (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
@@ -114,7 +114,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_parse)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        std::string strTest = write_string(tv, false);
+        std::string strTest = write_string(tv, raw_utf8);
         if (test.size() < 3) // Allow for extra stuff (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
@@ -171,7 +171,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_gen)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        std::string strTest = write_string(tv, false);
+        std::string strTest = write_string(tv, raw_utf8);
         if (test.size() < 3) // Allow for extra stuff (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
@@ -240,7 +240,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_invalid)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        std::string strTest = write_string(tv, false);
+        std::string strTest = write_string(tv, raw_utf8);
         if (test.size() < 1) // Allow for extra stuff (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index e7ad52627..b24f15d89 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -131,7 +131,7 @@ BOOST_AUTO_TEST_CASE(script_valid)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        string strTest = write_string(tv, false);
+        string strTest = write_string(tv, raw_utf8);
         if (test.size() < 2) // Allow size > 2; extra stuff ignored (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
@@ -155,7 +155,7 @@ BOOST_AUTO_TEST_CASE(script_invalid)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        string strTest = write_string(tv, false);
+        string strTest = write_string(tv, raw_utf8);
         if (test.size() < 2) // Allow size > 2; extra stuff ignored (useful for comments)
         {
             BOOST_ERROR("Bad test: " << strTest);
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index ddff2acd4..9d6a63eb8 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -27,7 +27,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        string strTest = write_string(tv, false);
+        string strTest = write_string(tv, raw_utf8);
         if (test[0].type() == array_type)
         {
             if (test.size() != 3 || test[1].type() != str_type || test[2].type() != bool_type)
@@ -96,7 +96,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
     BOOST_FOREACH(Value& tv, tests)
     {
         Array test = tv.get_array();
-        string strTest = write_string(tv, false);
+        string strTest = write_string(tv, raw_utf8);
         if (test[0].type() == array_type)
         {
             if (test.size() != 3 || test[1].type() != str_type || test[2].type() != bool_type)