Forestieri, who's scored 15 goals for Sheffield Wednesday en route to next week's play-off final, was neck and neck with Middlesbrough's Daniel Ayala at the end of voting on yesterday, but was later announced as the winner by Sky Sports.
Wednesday's official Twitter account later confirmed the news, before Forestieri visited the social media site to post a message of thanks to those who had voted.
But in a cruel twist of fate, Sky Sports reported on Thursday that following independent verification, it had transpired that Ayala had in fact won by 177 votes.
The broadcaster apologised for the mishap and wished the Owls luck for their Wembley clash with Hull City, which could see them returned to the Premier League after a 16-year absence.
Forestieri was seemingly unperturbed, amending his previous tweet to focus on the club Player of the Year award he claimed earlier in the week.
Let's try this again! Thank you to all the fans who voted me as SWFC Player of the season! Appreciate the love ⚪️ pic.twitter.com/q8xHDAkXjy— Fernando Forestieri (@Forestieri45) 19 May 2016
But having seen their star man cop for some questionable decisions throughout the campaign, some Owls fans on Twitter weren't quite as accepting...
After the PFA voting fiasco, I fully expect Forestieri to get the blame and a 3- match ban from the FA #swfc— Charles Hoyland (@baggleyowl) 19 May 2016
As if Forestieri hasn't been wrongly penalised enough this season, PFA now say Ayala won after counting votes You couldn't write it #swfc— Danny Ryan (@D4NI3LRyan) 19 May 2016
Ayala had 177 more votes and is crowned PFA's player of the year, Forestieri is set to serve a 177 match ban for diving #swfc— Sam Rawling (@SamWAWAW) 19 May 2016
Refs, Sky etc don't like forestieri do they— James Jordan (@JamesJordan91) 19 May 2016
It's funny how Ayala won it just based on Leeds and United fans voting against Forestieri— Daniel (@Daniel_Swfc) 19 May 2016
That's a big fat yellow card from the PFA and sky sports.— Grant Roberts (@GrantRoberts_91) 19 May 2016
Forestieri deserved it. #swfc
And the Boro fans were ready and waiting with their favourite quips...
Daniel Ayala has just intercepted the PFA player of the year award well done. @Boro— TJ (@HaloNightfall) 19 May 2016
Feel bad for Forestieri but after a recount Daniel Ayala wins fans PFA Player of the season award. It will fit nicely in his back pocket.— UberBoro (@UberBoro) 19 May 2016
@Forestieri45 As always, Dani Ayala always has attackers in his pocket— Darren J (@teessidedazza) 19 May 2016
Best of luck in playoffs