Millwall are awaiting a response from Barnsley after enquiring over striker Danny Haynes, manager Kenny Jackett has confirmed.
Jackett has identified the Lions' lack of goals as a major problem, with his side currently just two points clear of the Championship relegation zone.
The manager is desperate to add some firepower to his goal-shy squad and is waiting to hear back from Oakwell after enquiring about the 23-year-old earlier this week.
Jackett told News Shopper: "We did make an enquiry on Tuesday but since then there has been no contact.
"I don't know if that is the end of it, I'm waiting to hear back but I haven't heard anything for a couple of days now.
"We talked to Barnsley on Tuesday and we put some proposals together but for whatever reason it hasn't happened.
"They seemed very keen at the time but it hasn't happened yet."
Haynes has fallen out of favour at Barnsley after joining from Bristol City last January, having not started for the Tykes since August.
Hull City, Sheffield United and Preston have also been linked with the former Ipswich man, who spent time on loan at Millwall from Town in 2006.