diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
index 12e68b1c4..97111075e 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -36,6 +36,8 @@
 #  include <X11/extensions/Xrandr.h>
 # endif
 # include <X11/Xatom.h>
+# define _NET_WM_STATE_REMOVE	0
+# define _NET_WM_STATE_ADD		1
 #endif // NL_OS_UNIX
 
 #include "nel/misc/mouse_device.h"
diff --git a/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp b/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp
index f814b130f..0e14e0a74 100644
--- a/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp
+++ b/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp
@@ -101,7 +101,7 @@ void CUnixEventEmitter::submitEvents(CEventServer & server, bool allWindows)
 			}
 			else
 			{
-				processMessage (Event, server);
+				processMessage (Event, &server);
 			}
 		}
 	}
@@ -382,7 +382,7 @@ TKey getKeyFromKeySym (KeySym keysym)
 	return KeyNOKEY;
 }
 
-void CUnixEventEmitter::processMessage (XEvent &event, CEventServer *server)
+bool CUnixEventEmitter::processMessage (XEvent &event, CEventServer *server)
 {
 	if (!server)
 		server=&_InternalServer;
@@ -437,7 +437,7 @@ void CUnixEventEmitter::processMessage (XEvent &event, CEventServer *server)
 		}
 		break;
 	}
-	Case(MotionNotify)
+	case MotionNotify:
 	{
 		TMouseButton button=getMouseButton (event.xbutton.state);
 
diff --git a/code/nel/src/3d/driver/opengl/unix_event_emitter.h b/code/nel/src/3d/driver/opengl/unix_event_emitter.h
index bb4e6db94..5b038813d 100644
--- a/code/nel/src/3d/driver/opengl/unix_event_emitter.h
+++ b/code/nel/src/3d/driver/opengl/unix_event_emitter.h
@@ -93,10 +93,10 @@ private:
 
 	Display*			_dpy;
 	Window				_win;
-	TKey			    _PreviousKey;
+	TKey				_PreviousKey;
 	XIM					_im;
 	XIC					_ic;
-	bool			    _emulateRawMode;
+	bool				_emulateRawMode;
 	NL3D::IDriver*		_driver;
 	CUnixEventServer	_InternalServer;
 };