South Shields' longest-serving player Stephen Ramsey will miss out on a Wembley appearance after breaking his leg last night.
The striker, who has been with the club since 2006, broke his tibia late in the game against Sunderland RCA last night.
South Shields match report
The 27 year-old had been a second-half substitute as the Mariners made it 28 wins in a row.
He was involved in a collision in the centre of the park as the game went into injury time, and was stretchered from the field before being taken to hospital.
It left Shields needing to see out 10 minutes of stoppage time with nine men, after Alex Nicholson's sending off earlier in the game.
Ramsey has made more than 300 appearances for South Shields, and stuck with the club through relegation, the two years at Peterlee, as well as helping them win the League Cup in 2010.
Shields play at Wembley on May 21 in the FA Vase Final, and Ramsey's injury is a huge blow to the player, who is celebrating his 10th season at the club.
A club statement said: "Stephen has been to hospital, where the break was confirmed. We will now support him in his recovery and our thoughts are with him."