Angus Gunn was pleased with a string of strong saves in Scotland's 2-1 defeat to Portugal, but admitted he could have done better with the hosts' equaliser.
The Norwich City goalkeeper pulled off a range of fine stops throughout the game, helping Steve Clarke's side hold onto their early lead until the 54th minute.
He was widely criticised for his handling of Bruno Fernandes' goal, however, getting a had to the strike but pushing it only into his side-netting.
Gunn was willing to take the blame for that moment, but saw positives to take from the defeat.
"The first one was coming through a lot of bodies," he said. "I got there and was probably a little bit frustrated with that one. I take that on the chin.
"I think when you get that amount of contact on it, you're obviously disappointed as a keeper. But it's come through bodies. I feel like I did get a little bit of my hand to it. I will be disappointed with that. Obviously I'll analyse it with the coaches and come back stronger.
"But there were definitely moments in the game where I was happy with how I did. I thought we defended really well.
"They've got some quality players and we limited them. We kept them down the sides. Unfortunately in the end the pressure told. We were disappointed that we didn't hold on."
The Tartan Army are already a third of the way through their Nations League campaign with no points to their name, but their number one believes they should be encouraged by their performances.
"The manager said in there: 'Keep your heads up, keep believing.' The last few performances have actually been very positive," he continued.
"Even though we've not picked up any points, in the Poland game we probably dominated the second half and deserved something from that game. Then we come here to one of the best teams in Europe and put on a performance like that.
"We've got to take the positives from that. The team we are, we're trying to build, looking to the next World Cup qualifying campaign. If we can put on performances like that, that will put us in good stead for that one coming up."
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