Uploaded File to moved directory apears in parent directory

Directory structure:
Marketing
DPTest
DpTestA
DpTestB
DpTestC

User 1 logged onto Constantine in directory DPTest.
User 2 logged onto Constantine in directory DpTestC.

User 1 drags directory DpTestC into DpTestA.
User 2 uploads a file to DpTestC, the file appears to upload, but on completion, the file has not uploaded to directory DpTestC, but to DpTestA instead.