We need 53 weeks?

Hi
I use a "sort into weeks" rule to divide my receipts up. The rule simply calls for the year, gives a name, then asks it to add the week number. But my more recent receipts (29/Dec/2019) were moved into the 2019 Week 1 folder. Really they belong into a Week 53. Maybe I've done something wrong, or perhaps its the program not coping with that extra time at the end of the year.
(I wanted to include a picture - but I don't have a public site to post it from. Only Dropbox, and that didn't seem to work. If I could post it, it shows the rule, and on the right hand side the folder where the receipts are sorted, with the new ones in a "week 01 folder").
Any thoughts/help? I want it to be week 53 as it were, with this Sun (5/Jan) being week 1 of 2020.
Thanks
Phil
I use a "sort into weeks" rule to divide my receipts up. The rule simply calls for the year, gives a name, then asks it to add the week number. But my more recent receipts (29/Dec/2019) were moved into the 2019 Week 1 folder. Really they belong into a Week 53. Maybe I've done something wrong, or perhaps its the program not coping with that extra time at the end of the year.
(I wanted to include a picture - but I don't have a public site to post it from. Only Dropbox, and that didn't seem to work. If I could post it, it shows the rule, and on the right hand side the folder where the receipts are sorted, with the new ones in a "week 01 folder").
Any thoughts/help? I want it to be week 53 as it were, with this Sun (5/Jan) being week 1 of 2020.
Thanks
Phil