From 7cc24702834cfd6f26375ce557cd3860a44ce7f5 Mon Sep 17 00:00:00 2001
From: Thomas Heartman <thomas@getunleash.io>
Date: Wed, 7 May 2025 12:41:46 +0200
Subject: [PATCH] fix bug

---
 .../EditableConstraintWrapper.tsx                     | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/frontend/src/component/feature/FeatureStrategy/FeatureStrategyConstraints/EditableConstraintWrapper.tsx b/frontend/src/component/feature/FeatureStrategy/FeatureStrategyConstraints/EditableConstraintWrapper.tsx
index 3d17410e36..fb28efe316 100644
--- a/frontend/src/component/feature/FeatureStrategy/FeatureStrategyConstraints/EditableConstraintWrapper.tsx
+++ b/frontend/src/component/feature/FeatureStrategy/FeatureStrategyConstraints/EditableConstraintWrapper.tsx
@@ -161,12 +161,13 @@ export const EditableConstraintWrapper = ({
                     value: '',
                 });
             case 'add value(s)': {
-                const combinedValues = state.values?.union(
-                    new Set(action.payload),
-                );
+                const newValues = new Set(action.payload);
+                const combinedValues = state.values
+                    ? state.values.union(newValues)
+                    : newValues;
                 const filteredValues = deletedLegalValues
-                    ? combinedValues?.difference(deletedLegalValues)
-                    : deletedLegalValues;
+                    ? combinedValues.difference(deletedLegalValues)
+                    : combinedValues;
                 return {
                     ...state,
                     values: filteredValues,