That's not really a bug... it's actually more of a feature

Seriously. The reason is this: the language file is not loaded at the time you see that text, because the engine starts loading the images at the same time. Reason for this should be obvious: displaying the images as fast as possible, as that's what the user wants to see. And depending on how many languages you supply, loading those can result in a visible delay... so I'm not really planning on changing this in the near future. If there are enough petitioners I'll reconsider my position, though

[keeping this open for this purpose - if anyone thinks it'd be better to keep the user waiting until all language stuff is loaded before showing him the images, post here]