qt plots gcf

[Octave Dummy]

Hello                          Ubuntu 16.10

I try to open portrait frame for plot, but have to call set(gcf twice.  First call give default frame??

octave --no-gui

(octave-gui:2288): Gtk-WARNING **: Unable to locate theme engine in module_path: "hcengine",
GNU Octave, version 4.0.3
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>> graphics_toolkit qt
>> set(gcf,'position',[200,200,300,600])  open default frame
>> set(gcf,'position',[200,200,300,600])  open correct frame