The 33-year old Scottish striker added a further six months to his Designated Player deal with the Canadian club and is now gunning for the finals with the fourth-place Western Conference side before he ponders his future st the end of the 2013 campaign.
"It allows me to do what I should be concentrating on which is we should get in the playoffs and have a successful end to the season," Miller said after finalising the deal.
"Hopefully the team will continue this good form and personally I can maintain that as well and get even better.
"What it does is it gets everything settled between now and the end of the season. At the end of the season is far better to evaluate things, whether it be for a player to evaluate a position at a club or for management and coaches to evaluate their squad."
Vancouver, who are unbeaten at home this season, host Philadelphia Union at BC Place this weekend.