diff --git a/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py b/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py
index 1095a0c4da35..0e4d79430213 100644
--- a/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py
+++ b/hardware-testing/hardware_testing/gravimetric/liquid_class/pipetting.py
@@ -258,7 +258,8 @@ def _aspirate_on_retract() -> None:
 
     def _dispense_on_approach() -> None:
         # remove trailing-air-gap
-        pipette.dispense(liquid_class.aspirate.trailing_air_gap)
+        if not blank:
+            pipette.dispense(liquid_class.aspirate.trailing_air_gap)
 
     def _dispense_on_submerge() -> None:
         callbacks.on_dispensing()