diff --git a/src/helpers/recal-helper.js b/src/helpers/recal-helper.js
index d43da5d34..2794bbcf6 100644
--- a/src/helpers/recal-helper.js
+++ b/src/helpers/recal-helper.js
@@ -35,10 +35,9 @@ export function containsRecalParts(lineItems) {
     }
 }
 
-export function getItemsWithoutRecalParts(lineItems) {
-    const copy = deepClone(lineItems);
-
-    const firstLevelFiltered = copy.filter((li) => !isRecalPart(li));
+export function getItemsWithoutRecalParts(lineItemsArray) {
+    if (!lineItemsArray || !Array.isArray(lineItemsArray)) return null;
+    const firstLevelFiltered = deepClone(lineItemsArray).filter((li) => !isRecalPart(li));
 
     const childrenFiltered = firstLevelFiltered.map((li) => {
         if (li.childParts && li.childParts.length > 0) {