diff --git a/hardware-testing/hardware_testing/production_qc/pipette_assembly_qc_ot3/__main__.py b/hardware-testing/hardware_testing/production_qc/pipette_assembly_qc_ot3/__main__.py
index ce2e9fd21fe..71e0ca270b2 100644
--- a/hardware-testing/hardware_testing/production_qc/pipette_assembly_qc_ot3/__main__.py
+++ b/hardware-testing/hardware_testing/production_qc/pipette_assembly_qc_ot3/__main__.py
@@ -846,6 +846,7 @@ async def _read_cap() -> float:
         capacitive_open_air_pass
         and capacitive_probe_attached_pass
         and capacitive_probing_pass
+        and probe_slot_result
     )