When Marie sits to eat an omelette she starts to eat but in the next scene her hands are in her lap and the food is untouched.
When Etienne listens to the BBC, the introduction is wrong. The true message was: "Ici, Londres, les Français parlent aux Français"
The mirror Maria uses to blockade the door is shattered, and the door itself is blown apart, and the house and general area has been the site of bombardment with glass breakage, but unlike John McCain (Die Hard), no glass or any other sharp object gets stuck into her bare feet.