After Cameron Jerome had given Town the lead, the away side fought back in the second half to leave Kenilworth Road with three points, leapfrogging Jones’ men into the play-off places.
Speaking after the match, he admitted: “We have to do better in situations. I didn’t see us having any problems in the game, I thought we were comfortable in a certain way and then dived in in the box, gave away a penalty and they desperately needed that because they weren’t knocking on our door in any way which is the frustrating thing. We then have an opportunity to clear it, slice a clearance and concede from a corner.
“Bitterly disappointed with the result and the margins that have gone against us, but we have to be better.
"We felt we were the better team, got the goal, had a marginal offside which we felt could have gone for us but it has been really frustrating to come away and concede two second goals because we don’t do that often.
"We started really brightly in the second half, we had a glorious chance to take a two-nil lead but we just imploded a little bit really. We went off it a little bit and that is the frustrating thing really.”