RONALD Koeman has revealed that Saints may have got lucky in their 1-0 win over Swansea at the Liberty Stadium today.

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• Swansea 0-1 Southampton - as it happened >>

The Saints boss admitted that his side might have got a slice of good fortune when the struggling Swans had a late penalty shout turned down.

Substitute Maya Yoshida collided with Alberto Paloschi in the box, but big appeals were waved away by referee Jonathan Moss.

“We were lucky in one situation,” said Koeman. “Yes or no with the penalty? I don’t know.

“But what I saw was that the first is a fault for Gomis against Fonte and after that the situation of the penalty. I have to see it back. I don’t know.

“With the decision of the referee, sometimes you need a little bit of luck to win the game.”

Apart from that flash point, Koeman felt his side looked comfortable as they cruised to their fifth win in six games and into the Premier League’s top six.

Saints goalkeeper Fraser Forster also clinched a sixth successive clean sheet in Wales, meaning he has now gone 633 minutes without conceding a goal.

“It’s not normal to have six clean sheets in a row but we’re working hard. We have got defensive organisation,” said a pleased Koeman.

“It’s difficult to create open chances against us. We showed that today. The team is looking very comfortable.”

Koeman, who has now tallied 100 points as Saints manager in his season-and-a-half at the club, wasn’t happy with the first-half performance.

“We didn’t play well in the first half. Our ball possession was not that quality to create more,” he said.

“We had one big chance of Shane Long in the first-half – the header, a free header.

“The second-half we had better control on the game. Better domination in the game. Better football and a great goal.

“After that, of course, Swansea tried to do everything offensively with substitutes.

“But it was good defending of Southampton. We looked very comfortable.

“The three points are well deserved,” he added.

“The great attitude of the players and a good win again today.”