How do I fix line 6 of Form 8938, Maximum value of all deposit accounts. TT is giving incorrect amount.

In Form 8938 (Statement of Specified Foreign Financial Assets), TT seems to be filling the Line 6 "Maximum value of all deposit accounts", by adding up all Line 23 "Maximum value of account during tax year" of all foreign accounts. But this is incorrect when a fund is moved between accounts. 

 

For example, assume I have just two accounts A and B, and account A had $12000 and account B had $28000 at the beginning of the year. On August 1st, I moved $2000 from A to B and that was the only transaction in the year. 

At the end of the  year, account A has $10000 but the max amount of the year is still $12000.

Account B has $30000 and that is the maximum amount of account B.

The maximum value of all deposit accounts should be $40000 since we just moved money between the two accounts.

 

But TT fills Line 6 with $42000, the sum of the two maximum values $12000 + $30000. This is incorrect and I would like to fix it but if I go to the form 8938 screen, I cannot override the incorrect value. How do I fix this?