Choosing to bat after winning the toss, the move seemed to back fire as England lost two wickets in the first six overs.
Jonny Bairstow, who top scored with unbeaten 60, while stitching a vital 30-run partnership with Craig Kieswetter for the third wicket to stabilise the England Innings.
Bairstow then joined forces with Samit Patel to put on 39 runs for the fourth wicket as looked to take hold of the match.
Wickets continued to tumble as Pakistan bowlers looked to tighten the noose over England.
Umar Gul was the pick of the Pakistan bowlers with figures of two for 31.
Brief Scores: England 150 for 7 in 20 overs (Jonny Bairstow 60*, Craig Kieswetter 31; Umar Gul 2 for 31, Saeed Ajmal 1 for 20) vs Pakistan