Is there anything we can do to help? (CNN) -- In New Zealand, it's being called "Marmageddon." The island nation is facing a dwindling stock of the beloved Marmite spread after recent earthquakes in Christchurch forced the manufacturer to shut down the only factory producing the stuff. A spokesman for Sanitarium, the maker of the salty breakfast spread, says it has now run out of Marmite and it can't make any more until July at the earliest. That's caused a run on Marmite at markets all around New Zealand -- and reports of panic among customers who love the spread. Sanitarium general manager Pierre van Heerden said people should face the hard fact that they'll need to conserve their Marmite and could try spreading it on toast rather than slices of bread out of the bag to make it last.