Leicester boss Nigel Pearson was disappointed to come away empty-handed after seeing his side beaten 1-0 at Newcastle.
A rare goal from French midfielder Gabriel Obertan was enough to secure victory at St James' Park in a game which was delayed by an hour because of problems with a newly-erected big screen.
Pearson, who saw Marc Albrighton hit the bar with a first-half cross, said: "If you are not creating or taking your chances, it's important to keep a clean sheet and we have been done on the counter-attack from what was a very promising situation for ourselves.
"It's frustrating, there's no doubt about that, but I know that we will get a positive response from the players."
Meanwhile, both managers insisted the delay as engineers worked to secure dressing panels around the big screen had not affected their players.
Pearson said: "The players were all very relaxed about that. Both sets of players dealt with the situation very well, as did the club and the officials. There was no friction at all. Sometimes these things happen and you have got to deal with them."
Newcastle boss Alan Pardew added: "I have to pay tribute to Nigel, he was very calm about it all. He was matter of fact -- it was a problem and let's just wait and sort it out. He didn't make a big deal and I thank him for that.
"We were so impatient for the game, it just made it a little bit more difficult, but in the end it didn't affect what was a big day for us."