"Go to last post" bug

Once you place the mouse over the "go to last post" icon you will see something like

Code:

http://www.vbseo.com/f5/something-39776-post281817/#post281817

but after it has been clicked, vbseo transform the link to be like:

Code:

http://www.vbseo.com/f5/something-39776/index16.html#post281817

Problem is: Google bot see the both links point to the same place and warning about "duplicated title tag"

Does it possible to make both like look the same?

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