diff --git a/services/integration/invoiceIntegration.js b/services/integration/invoiceIntegration.js
index 0519ef5..21f81d1 100644
--- a/services/integration/invoiceIntegration.js
+++ b/services/integration/invoiceIntegration.js
@@ -358,7 +358,10 @@ const getMembersFeesForDateRange = (dateRange, memberIds) => {
 
                         //add discount
                         memberIds.forEach((memberId) => {
-                            allFees.push(createNegativeFeeForDiscount(membersMap[memberId], dateRange));
+                            const discountFee = createNegativeFeeForDiscount(membersMap[memberId], dateRange);
+                            if (discountFee){
+                                allFees.push(discountFee);
+                            }
                         });
 
                         allFees.forEach((fee) => {