You need to include the salary sacrifice amount as part of your earnings and also include it in Super as well. This way the "Salary Sacrifice" amount will be correctly reduced from the earnings before tax and then add up to the super contribution.

Step 1: Click on "Pay Runs" from the main menu and select the relevant unpublished pay run which you want to edit

Step 2: Click on the "Super"

Step 3: Enter the "Salary Sacrifice" value and click on "save"

Note: You need to include the salary sacrifice amount as part of your earnings and then include it as a Salary Sacrifice amount within Super as well.

Step 4: Click on "Save" on the left bottom of the screen to save the changes