Morsi, along with 16 leading members of his Muslim Brotherhood group, were slapped with a life sentence each for allegedly conspiring with Hamas to carry out terrorist attacks.
Sixteen Brotherhood leaders were sentenced to death and two others were given seven years in prison in the same case.
On Tuesday, however, Egypt’s Court of Cassation accepted an appeal filed by Morsi and his co-defendants against the sentences and ordered a retrial, a judicial source told Anadolu Agency on condition of anonymity as he was not authorized to speak to media.
Last week, the same court overturned a death sentence against Morsi on charges of taking part in a mass jailbreak during a 2011 uprising that forced autocratic president Hosni Mubarak to step down after 30 years in power.