--- ../../productCharacteristicsProcess.js	2022-08-24 11:26:51.381702730 -0300
+++ productCharacteristicsProcess.js	2022-08-24 11:27:02.085661024 -0300
@@ -268,7 +268,7 @@ isc.UpdateInvariantCharacteristicsPopup.
         // Saves in updatedValues the product invariant values selected by the user 
         for (i = 0; i < this.popup.items[0].members[0].members.length; i++) {
           characteristicCombo = this.popup.items[0].members[0].members[i];
-          updatedValues[characteristicCombo.fields[0].id] = Object.values(characteristicCombo.values).find(characteristicCombo.fields[0].id);
+          updatedValues[characteristicCombo.fields[0].id] = characteristicCombo.values[characteristicCombo.fields[0].name];
           existingProdChValues[characteristicCombo.fields[0].id] = characteristicCombo.fields[0].existingProdChValue;
         }
         // Send the updated values to the handler so that the product invariant selected values are updated