Snapshot 14w04b map not showing on item frame.

*What I expected to happen was one big map
adding more maps on to item frame to make one big map

*What actually happened was when i got in to a saved game the item frames and maps was on floor.

map wont go back in to frame

Steps to Reproduce:
1. put item frame on wall
2. click it with map
3.an enlarged item frame in place of map