Current employer dissapears when disabling expired relationships

How to reproduce:

1) Create a current relationship on individual A as employee of organization B and mark as current employer

2) Create a past relationship on individual A as employee of organization B without marking as current employer

At this point on summary tab of individual A appears organization B as his Employer.

3) Run Disable expired relationships cron job

At this point on summary tab there is no organization at Employer field although there is one active employee relationship and past relationship was disabled.