Rochdale are interested in bringing Fulham keeper Marcus Hahnemann back to Spotland but wrangles over the American's salary and the recovery of Neil Edwards from injury have delayed the move.
"Marcus came to us from Fulham and we paid a substantial amount of his wages in the time he was here," Rochdale's acting boss David Hamilton told the club's official website.
"We have to give the board praise for backing the then manager and the staff for allowing him to come. It was a big decision for them.
"We have asked Fulham if he could come back for another month and they agreed, but this time we would have to pay his wage in full."
Hahnemann played five games during his time at Spotland and only conceded two goals in that time, keeping four clean sheets.