Portugal striker Eder has been rewarded for his part in Lille's late season surge as the Ligue 1 outfit have offered to make his loan from Swansea a permanent four year deal, the French club said on Tuesday.

The marauding 28-year-old target man scored six and made four assists in 13 starts as Lille rose from fifteenth to fifth in their surge under coach Frederic Antonetti, who described Eder as a warrior as news of the four year deal broke.

"He was a key element of our success, a real centre forward who did a great deal of good to our attack," said Antonetti.

The move will be made official in June as soon as the official transfer window opens, Lille said of their website.