@EJB injection: Persistence context scope changes depending on the existence of @Remote annotation in the Interface of the injected EJB

A session-bean (called A) is injected into another session-bean (called B) by @EJB
A method in A is called from B in order to load an entity-bean containing a lazy-collection.
B cannot access the lazy-collection (of the returned enitity-bean) when the Interface of A is annotated with @Remote or @Remote and @Local.
If the Interface of A is annotated only with @Local it works.