orbiter filament sensor setup?

I have an orbiter v2 with filament sensor connected to an ebb36. The runout button is connected to pin PB4, unload button to pin PB3 and those pins are a part of the I2C socket pins. The unload button functions as expected but the runout button does not. The print continues to run after the filament has runout and the sensor led has turned red on the sensor signifying a runout. I also get a console message "Printing! Can't unload filament right now!" which made me think the buttons were reversed because I should only get that message when the unload button is pressed. I double checked the wiring and it is as documented. I also wired each button as an endstop to test functionality and they worked and were read by klipper. Any suggestions on what to look for settings changes?
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