Syrian Kurds have offered to assist the Syrian regime in their fight against one of the last remaining jihadi militant groups in exchange for Syrian support in retaking the nearby Kurdish area of Afrin from Turkish forces. Assad has previously announced that he is not opposed to working with the Kurdish-led SDF, but that he will return to military force if negotiations fail. 

Source: Will the Syrian Kurds Team Up with Bashar Al Assad Against Turkey? | War Is Boring