Shorting-Strategy-adding-Dividends-to-profit-instead-of-subtracting

Here are screenshots from a random shorting-only strategy I was playing with:

1) Preferences/Backtest: Collect dividends on backtest Positions box is UNchecked:





2) Collect dividends on backtest Positions box is checked:



While the Strategy column does it right, the Short Only column shows that the dividends are being added to the returns instead of being subtracted.
Please fix.