Celtic offered to sign ex-Scotland striker Garry O’Connor on loan on deadline day, he said Saturday.
The Scottish champions signed Venezuelan forward Miku from Getafe on Friday, with coach Neil Lennon saying the move came about because Celtic had little squad depth up front.
“I can confirm that Celtic failed to get me out on loan last night,” O’Connor said on Twitter.
“They made 2 attempts 2 sign me a few hours after signing Miku from Getafe.”
The deal fell through because of a disagreement over when the Scottish side would send O'Connor back to his current club, Russian second-tier outfit FC Tomsk, he said.
"Dates on my return 2 Tomsk from Celtic couldn't be agreed in time so that's why no deal was done last night."
Since joining Tomsk in July, he has featured in just two of the team’s eight games so far this season and started just one, as Tomsk charged to the top of the table.
He was unavailable for Tomsk’s first four games as the club was banned from registering new players due to debts, while a red card on his debut ruled him out of another game.
When he signed for Tomsk, he told R-Sport that he considered the Russian First Division the equal of the Scottish Premier League.
O’Connor, 29, was the first British player to play in the Russian league when he signed for Lokomotiv Moscow in 2006, leaving after 15 months.
He earned 16 caps for Scotland between 2002 and 2009, scoring four goals.