diff --git a/modules/axelor-open-suite/axelor-supplychain/src/main/java/com/axelor/apps/supplychain/service/StockMoveMultiInvoiceServiceImpl.java b/modules/axelor-open-suite/axelor-supplychain/src/main/java/com/axelor/apps/supplychain/service/StockMoveMultiInvoiceServiceImpl.java
index c73cd00..85c3288 100644
--- a/modules/axelor-open-suite/axelor-supplychain/src/main/java/com/axelor/apps/supplychain/service/StockMoveMultiInvoiceServiceImpl.java
+++ b/modules/axelor-open-suite/axelor-supplychain/src/main/java/com/axelor/apps/supplychain/service/StockMoveMultiInvoiceServiceImpl.java
@@ -547,31 +547,31 @@ public class StockMoveMultiInvoiceServiceImpl implements StockMoveMultiInvoiceSe
     Invoice refund = new RefundInvoice(invoice).generate();
     if (refund.getInvoiceLineList() != null) {
       for (InvoiceLine invoiceLine : refund.getInvoiceLineList()) {
-        invoiceLine.setPrice(invoiceLine.getPrice().negate());
-        invoiceLine.setPriceDiscounted(invoiceLine.getPriceDiscounted().negate());
-        invoiceLine.setInTaxPrice(invoiceLine.getInTaxPrice().negate());
-        invoiceLine.setExTaxTotal(invoiceLine.getExTaxTotal().negate());
-        invoiceLine.setInTaxTotal(invoiceLine.getInTaxTotal().negate());
-        invoiceLine.setCompanyExTaxTotal(invoiceLine.getCompanyExTaxTotal().negate());
-        invoiceLine.setCompanyInTaxTotal(invoiceLine.getCompanyInTaxTotal().negate());
+        invoiceLine.setPrice(invoiceLine.getPrice());
+        invoiceLine.setPriceDiscounted(invoiceLine.getPriceDiscounted());
+        invoiceLine.setInTaxPrice(invoiceLine.getInTaxPrice());
+        invoiceLine.setExTaxTotal(invoiceLine.getExTaxTotal());
+        invoiceLine.setInTaxTotal(invoiceLine.getInTaxTotal());
+        invoiceLine.setCompanyExTaxTotal(invoiceLine.getCompanyExTaxTotal());
+        invoiceLine.setCompanyInTaxTotal(invoiceLine.getCompanyInTaxTotal());
       }
     }
     if (refund.getInvoiceLineTaxList() != null) {
       for (InvoiceLineTax invoiceLineTax : refund.getInvoiceLineTaxList()) {
-        invoiceLineTax.setExTaxBase(invoiceLineTax.getExTaxBase().negate());
-        invoiceLineTax.setTaxTotal(invoiceLineTax.getTaxTotal().negate());
-        invoiceLineTax.setCompanyExTaxBase(invoiceLineTax.getCompanyExTaxBase().negate());
-        invoiceLineTax.setInTaxTotal(invoiceLineTax.getInTaxTotal().negate());
-        invoiceLineTax.setCompanyInTaxTotal(invoiceLineTax.getCompanyInTaxTotal().negate());
+        invoiceLineTax.setExTaxBase(invoiceLineTax.getExTaxBase());
+        invoiceLineTax.setTaxTotal(invoiceLineTax.getTaxTotal());
+        invoiceLineTax.setCompanyExTaxBase(invoiceLineTax.getCompanyExTaxBase());
+        invoiceLineTax.setInTaxTotal(invoiceLineTax.getInTaxTotal());
+        invoiceLineTax.setCompanyInTaxTotal(invoiceLineTax.getCompanyInTaxTotal());
       }
     }
-    refund.setExTaxTotal(refund.getExTaxTotal().negate());
-    refund.setInTaxTotal(refund.getInTaxTotal().negate());
-    refund.setCompanyExTaxTotal(refund.getCompanyExTaxTotal().negate());
-    refund.setCompanyInTaxTotal(refund.getCompanyInTaxTotal().negate());
-    refund.setTaxTotal(refund.getTaxTotal().negate());
-    refund.setAmountRemaining(refund.getAmountRemaining().negate());
-    refund.setCompanyTaxTotal(refund.getCompanyTaxTotal().negate());
+    refund.setExTaxTotal(refund.getExTaxTotal());
+    refund.setInTaxTotal(refund.getInTaxTotal());
+    refund.setCompanyExTaxTotal(refund.getCompanyExTaxTotal());
+    refund.setCompanyInTaxTotal(refund.getCompanyInTaxTotal());
+    refund.setTaxTotal(refund.getTaxTotal());
+    refund.setAmountRemaining(refund.getAmountRemaining());
+    refund.setCompanyTaxTotal(refund.getCompanyTaxTotal());
     return invoiceRepository.save(refund);
   }