From b2ab68cde3080fd057c8461a700552e44a0bd5ec Mon Sep 17 00:00:00 2001
From: Jethary <jethary@opentrons.com>
Date: Fri, 16 Feb 2024 14:42:44 -0500
Subject: [PATCH] fix random well selection field bug

---
 .../fields/WellSelectionField/WellSelectionField.tsx       | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/protocol-designer/src/components/StepEditForm/fields/WellSelectionField/WellSelectionField.tsx b/protocol-designer/src/components/StepEditForm/fields/WellSelectionField/WellSelectionField.tsx
index 0ba354a2a0a..fc5244bd1fc 100644
--- a/protocol-designer/src/components/StepEditForm/fields/WellSelectionField/WellSelectionField.tsx
+++ b/protocol-designer/src/components/StepEditForm/fields/WellSelectionField/WellSelectionField.tsx
@@ -40,9 +40,10 @@ export const WellSelectionField = (props: Props): JSX.Element => {
   const stepId = useSelector(getSelectedStepId)
   const pipetteEntities = useSelector(stepFormSelectors.getPipetteEntities)
   const wellSelectionLabwareKey = useSelector(getWellSelectionLabwareKey)
-  const primaryWellCount = Array.isArray(selectedWells)
-    ? selectedWells.length.toString()
-    : undefined
+  const primaryWellCount =
+    Array.isArray(selectedWells) && selectedWells.length > 0
+      ? selectedWells.length.toString()
+      : undefined
   const pipette = pipetteId != null ? pipetteEntities[pipetteId] : null
   const is8Channel = pipette != null ? pipette.spec.channels === 8 : false