Statically Charged Coffee - My Electrified Coffee Grinder?

Well, I don't know what's been going on with my grinder lately. The problem seems to be with one particular batch of beans... so it could be the roaster (popcorn popper). Anyway, every time I grind these beans the grounds speed out of the chute and fly everywhere. They seem to be statically charged. They repel each other and fly all over my benchtop - %^%^$#%$% mess!

I cleaned the grinder and roasted up a new batch of beans just yesterday and these seem better.

Weird? Please explain!

Food and Drink Espresso Coffee Coffee Grinder