diff --git a/api/src/opentrons/protocol_engine/commands/pipetting_common.py b/api/src/opentrons/protocol_engine/commands/pipetting_common.py
index 44e268d8477..9371f4c5516 100644
--- a/api/src/opentrons/protocol_engine/commands/pipetting_common.py
+++ b/api/src/opentrons/protocol_engine/commands/pipetting_common.py
@@ -88,7 +88,7 @@ class BaseLiquidHandlingResult(BaseModel):
     volume: float = Field(
         ...,
         description="Amount of liquid in uL handled in the operation.",
-        gt=0,
+        ge=0,
     )