module system bug: qualified exports

hi,
i run into the following problem:

module A (A.f) where
  import B
  f = "f of A"

module B where
  f = "f of B"

when trying to load module A Hugs says:
ERROR "A.hs" - Ambiguous export of entity "f"
*** Could refer to: A.f B.f

bye
iavor