diff --git a/code/nel/src/logic/CMakeLists.txt b/code/nel/src/logic/CMakeLists.txt
index a82158ec0..1d4691a40 100644
--- a/code/nel/src/logic/CMakeLists.txt
+++ b/code/nel/src/logic/CMakeLists.txt
@@ -13,6 +13,10 @@ NL_ADD_LIB_SUFFIX(nellogic)
 
 ADD_DEFINITIONS(${LIBXML2_DEFINITIONS})
 
+IF(WITH_PCH)
+  ADD_NATIVE_PRECOMPILED_HEADER(nellogic ${CMAKE_CURRENT_SOURCE_DIR}/stdlogic.h ${CMAKE_CURRENT_SOURCE_DIR}/stdlogic.cpp)
+ENDIF(WITH_PCH)
+
 IF((WITH_INSTALL_LIBRARIES AND WITH_STATIC) OR NOT WITH_STATIC)
   INSTALL(TARGETS nellogic LIBRARY DESTINATION ${NL_LIB_PREFIX} ARCHIVE DESTINATION ${NL_LIB_PREFIX} COMPONENT libraries)
 ENDIF((WITH_INSTALL_LIBRARIES AND WITH_STATIC) OR NOT WITH_STATIC)
diff --git a/code/nel/src/logic/logic_condition.cpp b/code/nel/src/logic/logic_condition.cpp
index 13879467a..2afe26ad6 100644
--- a/code/nel/src/logic/logic_condition.cpp
+++ b/code/nel/src/logic/logic_condition.cpp
@@ -15,12 +15,14 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-#include "nel/misc/o_xml.h"
-
+#include "stdlogic.h"
 #include "nel/logic/logic_condition.h"
+
 #include "nel/logic/logic_variable.h"
 #include "nel/logic/logic_state_machine.h"
 
+#include "nel/misc/o_xml.h"
+
 using namespace NLMISC;
 using namespace std;
 
diff --git a/code/nel/src/logic/logic_event.cpp b/code/nel/src/logic/logic_event.cpp
index 191196d00..5410c7ed9 100644
--- a/code/nel/src/logic/logic_event.cpp
+++ b/code/nel/src/logic/logic_event.cpp
@@ -15,7 +15,9 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+#include "stdlogic.h"
 #include "nel/logic/logic_event.h"
+
 #include "nel/logic/logic_state_machine.h"
 
 #include "nel/net/service.h"
diff --git a/code/nel/src/logic/logic_state_machine.cpp b/code/nel/src/logic/logic_state_machine.cpp
index 94a8c6587..ff99255d2 100644
--- a/code/nel/src/logic/logic_state_machine.cpp
+++ b/code/nel/src/logic/logic_state_machine.cpp
@@ -15,6 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+#include "stdlogic.h"
 #include "nel/logic/logic_state_machine.h"
 
 #include "nel/net/service.h"
diff --git a/code/nel/src/logic/logic_variable.cpp b/code/nel/src/logic/logic_variable.cpp
index e3093e4a4..601fd3929 100644
--- a/code/nel/src/logic/logic_variable.cpp
+++ b/code/nel/src/logic/logic_variable.cpp
@@ -15,9 +15,11 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-#include "nel/logic/logic_state_machine.h"
+#include "stdlogic.h"
 #include "nel/logic/logic_variable.h"
 
+#include "nel/logic/logic_state_machine.h"
+
 using namespace std;
 using namespace NLMISC;
 
diff --git a/code/nel/src/logic/stdlogic.cpp b/code/nel/src/logic/stdlogic.cpp
new file mode 100644
index 000000000..57bae9095
--- /dev/null
+++ b/code/nel/src/logic/stdlogic.cpp
@@ -0,0 +1,17 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "stdlogic.h"
diff --git a/code/nel/src/logic/stdlogic.h b/code/nel/src/logic/stdlogic.h
new file mode 100644
index 000000000..67c7231c1
--- /dev/null
+++ b/code/nel/src/logic/stdlogic.h
@@ -0,0 +1,41 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef NL_STDMISC_H
+#define NL_STDMISC_H
+
+#include <vector>
+#include <map>
+#include <string>
+#include <limits>
+
+#include <libxml/parser.h>
+
+#ifdef NL_OS_WINDOWS
+#	define WIN32_LEAN_AND_MEAN
+#	define _WIN32_WINDOWS 0x0500
+#	ifndef _WIN32_WINNT
+#		define _WIN32_WINNT 0x0500
+#	endif
+#	ifndef NL_COMP_MINGW
+#		define WINVER 0x0500
+#		define NOMINMAX
+#	endif
+#	include <WinSock2.h>
+#	include <Windows.h>
+#endif
+
+#endif // NL_STDMISC_H