diff --git a/Source/Core/Core/BootManager.cpp b/Source/Core/Core/BootManager.cpp
index 71683afd33..11f9f67780 100644
--- a/Source/Core/Core/BootManager.cpp
+++ b/Source/Core/Core/BootManager.cpp
@@ -215,6 +215,7 @@ bool BootCore(const std::string& _rFilename)
 		StartUp.bCPUThread = g_NetPlaySettings.m_CPUthread;
 		StartUp.bDSPHLE = g_NetPlaySettings.m_DSPHLE;
 		StartUp.bEnableMemcardSaving = g_NetPlaySettings.m_WriteToMemcard;
+		StartUp.iCPUCore = g_NetPlaySettings.m_CPUcore;
 		SConfig::GetInstance().m_EnableJIT = g_NetPlaySettings.m_DSPEnableJIT;
 		SConfig::GetInstance().m_EXIDevice[0] = g_NetPlaySettings.m_EXIDevice[0];
 		SConfig::GetInstance().m_EXIDevice[1] = g_NetPlaySettings.m_EXIDevice[1];
diff --git a/Source/Core/Core/NetPlayClient.cpp b/Source/Core/Core/NetPlayClient.cpp
index 6ca13b4836..f473cbd22a 100644
--- a/Source/Core/Core/NetPlayClient.cpp
+++ b/Source/Core/Core/NetPlayClient.cpp
@@ -266,6 +266,7 @@ unsigned int NetPlayClient::OnData(sf::Packet& packet)
 			std::lock_guard<std::recursive_mutex> lkg(m_crit.game);
 			packet >> m_current_game;
 			packet >> g_NetPlaySettings.m_CPUthread;
+			packet >> g_NetPlaySettings.m_CPUcore;
 			packet >> g_NetPlaySettings.m_DSPEnableJIT;
 			packet >> g_NetPlaySettings.m_DSPHLE;
 			packet >> g_NetPlaySettings.m_WriteToMemcard;
diff --git a/Source/Core/Core/NetPlayProto.h b/Source/Core/Core/NetPlayProto.h
index 6fe6899b87..33771c3eae 100644
--- a/Source/Core/Core/NetPlayProto.h
+++ b/Source/Core/Core/NetPlayProto.h
@@ -12,6 +12,7 @@
 struct NetSettings
 {
 	bool m_CPUthread;
+	int m_CPUcore;
 	bool m_DSPHLE;
 	bool m_DSPEnableJIT;
 	bool m_WriteToMemcard;
@@ -27,7 +28,7 @@ struct Rpt : public std::vector<u8>
 
 typedef std::vector<u8> NetWiimote;
 
-#define NETPLAY_VERSION		"Dolphin NetPlay 2013-09-22"
+#define NETPLAY_VERSION		"Dolphin NetPlay 2014-01-08"
 
 const int NETPLAY_INITIAL_GCTIME = 1272737767;
 
diff --git a/Source/Core/Core/NetPlayServer.cpp b/Source/Core/Core/NetPlayServer.cpp
index 296fcd29a4..3209f6ad28 100644
--- a/Source/Core/Core/NetPlayServer.cpp
+++ b/Source/Core/Core/NetPlayServer.cpp
@@ -536,6 +536,7 @@ bool NetPlayServer::StartGame(const std::string &path)
 	spac << (MessageId)NP_MSG_START_GAME;
 	spac << m_current_game;
 	spac << m_settings.m_CPUthread;
+	spac << m_settings.m_CPUcore;
 	spac << m_settings.m_DSPEnableJIT;
 	spac << m_settings.m_DSPHLE;
 	spac << m_settings.m_WriteToMemcard;
diff --git a/Source/Core/DolphinWX/NetWindow.cpp b/Source/Core/DolphinWX/NetWindow.cpp
index 79ec2b59a5..1e7b93d17b 100644
--- a/Source/Core/DolphinWX/NetWindow.cpp
+++ b/Source/Core/DolphinWX/NetWindow.cpp
@@ -409,6 +409,7 @@ void NetPlayDiag::GetNetSettings(NetSettings &settings)
 {
 	SConfig &instance = SConfig::GetInstance();
 	settings.m_CPUthread = instance.m_LocalCoreStartupParameter.bCPUThread;
+	settings.m_CPUcore = instance.m_LocalCoreStartupParameter.iCPUCore;
 	settings.m_DSPHLE = instance.m_LocalCoreStartupParameter.bDSPHLE;
 	settings.m_DSPEnableJIT = instance.m_EnableJIT;
 	settings.m_WriteToMemcard = m_memcard_write->GetValue();