List with paging plugin messes up the store

I have an infinite list that is bound to an associated store i.e. something like: group.members();

I have paging plugin on this list, and it seems to initialize correctly. But, as soon as I do store.load() or store.loadPage(1) after a store.add(), it shows members from all groups – I have verified that the XHR actually fetches the right thing.

Thoughts? Any help is much appreciated!

Thanks!

List with paging plugin messes up the store