QDockWidget not restored with restoreState/saveState

[pl01]

Hi,

I use QT 5.0.2 and have a main window that contains several QDockWidgets.
Once the application close, I call

settings.setValue("windowState",			saveState());
	settings.setValue("geometry",			geometry());

settings.setValue("windowState",			saveState());
	settings.setValue("geometry",			geometry());

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And once I open it I call :

restoreState(settings.value("windowState").toByteArray());
		restoreGeometry(settings.value("geometry").toByteArray());

restoreState(settings.value("windowState").toByteArray());
		restoreGeometry(settings.value("geometry").toByteArray());

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But my dock widgets "size" is not correctly restored !

So, does someone has an idea of the problem ? and how to solve it ?

Thanks

BTW : I have take a look on google for a work around... and play with several "possible solution", but no way :-(