This appears to be a general superstition:
Bulgaria: Skip sweeping after someone departs
No matter how untidy your abode gets after you leave for a trip, make
sure no one sweeps up after you.
As the legend goes in Bulgaria, using a broom or vacuum to clean up is
considered a symbol of sweeping that person away, hindering a safe
Consider this another excuse to avoid cleaning.
Whilst many of us have a quick vacuum around the house before we leave
for our holiday, in Bulgaria, this is considered bad luck.
It’s believed that sweeping is a symbol of sweeping that person away
and prevents a safe return.
Bulgaria Clean Sweep
Make sure nobody sweeps your house soon after you have left! It is
believed that doing this is similar to sweeping that person away and
prevents their safe return.
If you sweep the home on the first day that the head of the house
starts on a journey, he will never return. (Persia)
In Bulgaria, it is believed that when a house is swept just after a
person leaves, it prevents that person’s safe return!