diff --git a/alethzero/MainWin.cpp b/alethzero/MainWin.cpp
index 4b9af1666..d0cfafd7d 100644
--- a/alethzero/MainWin.cpp
+++ b/alethzero/MainWin.cpp
@@ -169,7 +169,11 @@ Main::Main(QWidget *parent) :
 	bytesConstRef network((byte*)m_networkConfig.data(), m_networkConfig.size());
 	m_webThree.reset(new WebThreeDirect(string("AlethZero/v") + dev::Version + "/" DEV_QUOTED(ETH_BUILD_TYPE) "/" DEV_QUOTED(ETH_BUILD_PLATFORM), getDataDir(), false, {"eth", "shh"}, p2p::NetworkPreferences(), network));
 
-	m_httpConnector.reset(new jsonrpc::HttpServer(8080));
+#if ETH_DEBUG
+	m_httpConnector.reset(new jsonrpc::HttpServer(8080, "", "", 1));
+#else
+	m_httpConnector.reset(new jsonrpc::HttpServer(8080, "", "", 4));
+#endif
 	m_server.reset(new OurWebThreeStubServer(*m_httpConnector, *web3(), keysAsVector(m_myKeys), this));
 	connect(&*m_server, SIGNAL(onNewId(QString)), SLOT(addNewId(QString)));
 	m_server->setIdentities(keysAsVector(owned()));
diff --git a/eth/main.cpp b/eth/main.cpp
index eda6e12ae..e89a1250f 100644
--- a/eth/main.cpp
+++ b/eth/main.cpp
@@ -457,7 +457,11 @@ int main(int argc, char** argv)
 	unique_ptr<jsonrpc::AbstractServerConnector> jsonrpcConnector;
 	if (jsonrpc > -1)
 	{
-		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc));
+#if ETH_DEBUG
+		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 1));
+#else
+		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 4));
+#endif
 		jsonrpcServer = shared_ptr<WebThreeStubServer>(new WebThreeStubServer(*jsonrpcConnector.get(), web3, vector<KeyPair>({us})));
 		jsonrpcServer->setIdentities({us});
 		jsonrpcServer->StartListening();
@@ -583,7 +587,11 @@ int main(int argc, char** argv)
 			{
 				if (jsonrpc < 0)
 					jsonrpc = 8080;
-				jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc));
+#if ETH_DEBUG
+				jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 1));
+#else
+				jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 4));
+#endif
 				jsonrpcServer = shared_ptr<WebThreeStubServer>(new WebThreeStubServer(*jsonrpcConnector.get(), web3, vector<KeyPair>({us})));
 				jsonrpcServer->setIdentities({us});
 				jsonrpcServer->StartListening();
diff --git a/neth/main.cpp b/neth/main.cpp
index 4888f784d..fc4c8c9c6 100644
--- a/neth/main.cpp
+++ b/neth/main.cpp
@@ -474,7 +474,11 @@ int main(int argc, char** argv)
 	unique_ptr<jsonrpc::AbstractServerConnector> jsonrpcConnector;
 	if (jsonrpc > -1)
 	{
-		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc));
+#if ETH_DEBUG
+		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 1));
+#else
+		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 4));
+#endif
 		jsonrpcServer = shared_ptr<WebThreeStubServer>(new WebThreeStubServer(*jsonrpcConnector.get(), web3, vector<KeyPair>({us})));
 		jsonrpcServer->setIdentities({us});
 		jsonrpcServer->StartListening();
@@ -625,7 +629,11 @@ int main(int argc, char** argv)
 		{
 			if (jsonrpc < 0)
 				jsonrpc = 8080;
-			jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc));
+#if ETH_DEBUG
+			jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 1));
+#else
+			jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonrpc, "", "", 4));
+#endif
 			jsonrpcServer = shared_ptr<WebThreeStubServer>(new WebThreeStubServer(*jsonrpcConnector.get(), web3, vector<KeyPair>({us})));
 			jsonrpcServer->setIdentities({us});
 			jsonrpcServer->StartListening();