Watford manager Valerien Ismael refused to criticise goalkeeper Daniel Bachmann and defender Ryan Andrews for the clanger that left Watford having to come back from behind to secure a 1-1 draw at home to Swansea.

Ismael opted to drop previous first choice Ben Hamer and restore Bachmann to the starting line-up for the first time in the league since November 28.

But the Austrian was the key man in an 18th-minute mix-up that gifted the visitors the lead.

Andrews stopped Przemyslaw Placheta from reaching a long ball into the inside left channel from Matt Grimes by heading the ball back towards his goalkeeper.

But Bachmann had come rushing off his line without the right-back realising – and both were left watching in horror as the ball bounced into an empty net.

Ismael said: “It was a lack of communication. It has happened – unfortunately. There is no antidote against making mistakes in football.

“At half-time we had to clear the air and then we spoke positively. At the minute this is really tough – it is a challenge – but we cannot drop mentally.

“We came back into the game so it is step after step. Just at the minute we need to get all the positives that we can get – and I think we will become stronger after this period.”

Bachmann made two good saves after that however – first to deny Ronald on the half-hour mark after the Brazilian had caught Jamal Lewis in possession and then to stop a close-range header by Ben Cabango near the end of the first half.

Ismael added: “When you are in difficult situations you have to make changes so we changed players, in the first half the way to play and a lot of things on the training ground, including the schedule just to make sure the players were aware about the situation.

“Every player is involved and for me the keeper position is like an outfield player – it should be possible to change the keeper just to keep everyone involved.”

Watford levelled in the 57th minute from a corner that was swung into the box by Giorgi Chakvetadze, who had replaced Ken Sema just before the break.

Wesley Hoedt flicked it on at near post with centre-back Porteous appearing to divert it over the line from close range.

Watford dropped to 13th spot – two places above Swansea, whose manager Luke Williams has seen his side pick up seven points from the last three games to edge away from the drop zone.

He said: “I felt at half time we could have been in front by another goal but Watford were really aggressive in the second half and we deserved a point each.

“We were value for a goal even though it was fortunate in the way it came about.

“We are feeling in a good place and in all three games we performed to a pretty good level but there is no doubt that we have a long way to go to being the best team we can be.

“We have been 2-0 up, 2-0 up and 1-0 up at half-time so we have to make better performances in the second 45 minutes. This is an obvious one.

“In the second half we have to either maintain our level or find a way to control the game better – that is what we have to learn.

“Overall we have been competitive outside the really top sides in the division.”

Ryan Porteous cancelled out Ryan Andrews’ unlucky own goal as Watford came from behind to share a 1-1 draw at home to Swansea.

The point enabled the mid-table Championship rivals to move further away from a relegation dogfight, although it also ended a two-match winning streak for the Swans.

Watford have still not won at home in the league since November 28.

Goalkeeper Daniel Bachmann was brought back for a first Watford appearance in the league since three days before that win.

The first chance in the 13th minute was for Watford as Yaser Asprilla skipped past Harry Darling to reach the Swans box but Ben Cabango was able to deflect the Colombian’s shot wide.

Centre-back Cabango had to do the same three minutes later when Jamal Lewis had a go from the left of the box, and Swansea’s reply was an 18th-minute opener that was all of Watford’s making.

Andrews stopped Przemyslaw Placheta from reaching a long ball into the inside left channel from Matt Grimes by heading the ball back towards his goalkeeper. Except that Bachmann had come rushing off his line without the right-back realising – and both were left watching in horror as the ball bounced into an empty net.

Bachmann made partial amends for his earlier error with a fine save to deny Ronald on the half-hour mark. The Brazilian, a January addition for Swansea, caught Lewis dozing in possession to get an unimpeded run at goal – but Bachmann was able to divert his shot behind.

Josh Tymon was booked for barging Andrews over – a challenge that home fans thought should have merited a red card – before Emmanuel Dennis saw a shot deflected behind and Porteous headed over from a corner.

The last chance of the half was Swansea’s however – a close-range header by Cabango from Jamie Paterson’s cross – but Bachmann did well to get a glove on it.

Placheta saw a drive deflected behind as Swansea began the second period strongly but Dennis soon saw a header saved at the other end.

Watford levelled in the 57th minute from a corner that was swung into the box by Giorgi Chakvetadze, who had replaced Ken Sema just before the break. Wesley Hoedt flicked it on from in front of the near post and Porteous was in the right place to divert it over the line from close range.

That pepped up the Hornets and, following good work down the left by Chakvetadze, Asprilla and then Lewis saw on-target efforts blocked by defenders.

Placheta fired Swansea’s best chance in a while across goal and wide in the 73rd minute before Dennis, who had earlier scuffed wide, saw a late Watford chance deflected over.