The opposition Syrian National Coalition has received a last-minute invitation to Wednesday's Friends of Syria meeting in Amman, and acting chief George Sabra will attend, a spokesman said.
Spokesman Soner Ahmed said "the Coalition received a late invitation and has confirmed its participation in the meeting of the Friends of the Syrian people."
"The Coalition will be represented by its interim president, George Sabra, who is now flying to Amman," he added.
The meeting is expected to focus on efforts spearheaded by the United States and Russia to organise a peace conference in Geneva next month.
On Monday, member Anas Abdeh said the Coalition had not been invited to the gathering of foreign ministers from 11 world powers opposed to President Bashar al-Assad's regime "because the Friends of Syria want to reach a unified position on the international conference."
The umbrella Coalition is itself scheduled to meet in Istanbul this week to decide whether it will attend the peace conference, which is intended to work towards a political solution to the Syrian conflict.
The regime is expected to send envoys to the peace conference, but has said Assad's departure -- a key opposition demand -- will not be up for discussion.