Automation for Adding a comment with updated due date not working

We have a simple requirement, when the due date is updated on one of our tickets, we need to add a comment to a linked ticket with the updated due date and update the due date on that linked ticket. The linked ticket gets the correctly update due date but the comment always has the original date instead of the updated date. 

Below is an example of our automation. I've tried a few iterations with options like adding "Re-fetch issue data" before the comment step but this just caused the due dates to be completely incorrect on both the comment and the actual due date field on the linked ticket.