Henning Berg says the reason why Burnley was able to score a late goal and salvage a point from the game at Turf Moor was rash defending.
Vokes got on the end of Junior Stanislas' free-kick after Rovers' backline had managed to deal with several other attempts via a dead ball situation.
So it the end Rovers gained a point and cost Burnley two home points, although Berg was denied what would have been his second win as manager.
"We defended better, higher up on the pitch in the second half," Berg told reporters.
"We'd been defending those free-kicks and corners all day long fantastically well.
"I have to give credit to the back four and goalkeeper and two central midfield players - fantastic.
"We were put under pressure a little bit too many times in the first half and they saved us, made sure that we were still in the game.
"But we were giving away a few too many free-kicks in dangerous areas and towards the end it was one free-kick too many."
The former Blackburn centre-back added: "We were very, very close to getting a great result.
"If we took a little bit better care of the ball, (had) a little bit more mental strength then we could have won the game. But 1-1 here is not my worst result."