diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index 915950053..e3b5b39a6 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -206,17 +206,20 @@ CDriverGL::CDriverGL()
 	NL3D::MAC::ctor();
 
 #elif defined (NL_OS_UNIX)
+
 	_cursor = None;
 	_dpy = 0;
+	_visual_info = NULL;
 
 #	ifdef XF86VIDMODE
 	// zero the old screen mode
 	memset(&_OldScreenMode, 0, sizeof(_OldScreenMode));
-
 #	endif //XF86VIDMODE
+
 #endif // NL_OS_UNIX
 
 	_win = EmptyWindow;
+	_DestroyWindow = false;
 
 	_OffScreen = false;
 	_FullScreen = false;
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.h b/code/nel/src/3d/driver/opengl/driver_opengl.h
index 39eb70dfc..e8001014c 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.h
@@ -664,6 +664,7 @@ private:
 	sint32						_WindowWidth, _WindowHeight, _WindowX, _WindowY;
 
 	nlWindow					_win;
+	bool						_DestroyWindow;
 
 #ifdef NL_OS_WINDOWS
 
@@ -675,7 +676,6 @@ private:
 	static uint					_Registered;
 	DEVMODE						_OldScreenMode;
 	NLMISC::CEventEmitterMulti	_EventEmitter; // this can contains a win emitter and eventually a direct input emitter
-	bool						_DestroyWindow;
 
 	// Off-screen rendering in Dib section
 	HPBUFFERARB					_PBuffer;
@@ -689,6 +689,7 @@ private:
 	GLXContext					_ctx;
 	Cursor						_cursor;
 	NLMISC::CUnixEventEmitter	_EventEmitter;
+	XVisualInfo*				_visual_info;
 
 #ifdef XF86VIDMODE
 	int							_OldDotClock;   // old dotclock
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 ca5978e59..a863a898b 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -674,7 +674,9 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 		nlerror("glXCreateContext() failed");
 	}
 
-	if (wnd != EmptyWindow)
+	_visual_info = visual_info;
+
+	if (wnd == EmptyWindow)
 	{
 		if (!createWindow(mode))
 			return false;
@@ -929,6 +931,9 @@ bool CDriverGL::createWindow(const GfxMode &mode)
 
 #elif defined (NL_OS_UNIX)
 
+	if (_visual_info == NULL)
+		return false;
+
 	XSetWindowAttributes attr;
 	attr.background_pixel = BlackPixel(_dpy, DefaultScreen(_dpy));
 
@@ -952,10 +957,10 @@ bool CDriverGL::createWindow(const GfxMode &mode)
 
 	nlWindow root = RootWindow(_dpy, DefaultScreen(_dpy));
 
-	attr.colormap = XCreateColormap(_dpy, root, visual_info->visual, AllocNone);
+	attr.colormap = XCreateColormap(_dpy, root, _visual_info->visual, AllocNone);
 	attr_flags |= CWColormap;
 
-	window = XCreateWindow (_dpy, root, 0, 0, mode.Width, mode.Height, 0, visual_info->depth, InputOutput, visual_info->visual, attr_flags, &attr);
+	window = XCreateWindow (_dpy, root, 0, 0, mode.Width, mode.Height, 0, _visual_info->depth, InputOutput, _visual_info->visual, attr_flags, &attr);
 
 	if (window == EmptyWindow)
 	{
@@ -1595,7 +1600,7 @@ void CDriverGL::getWindowPos(uint32 &x, uint32 &y)
 	unsigned int depth = 0;
 
 	// Get geometry information about root window
-	if (!XGetGeometry(_dpy, RootWindow(_dpy, screen), &_win, &xtmp, &ytmp, &width, &height, &border_width, &depth))
+	if (!XGetGeometry(_dpy, RootWindow(_dpy, screen), (Window*)&_win, &xtmp, &ytmp, &width, &height, &border_width, &depth))
 	{
 		nlwarning("can't get root window geometry");
 	}