diff --git a/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/service/StockMoveLineServiceImpl.java b/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/service/StockMoveLineServiceImpl.java
index dd122c3..9853562 100644
--- a/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/service/StockMoveLineServiceImpl.java
+++ b/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/service/StockMoveLineServiceImpl.java
@@ -801,10 +801,10 @@ public class StockMoveLineServiceImpl implements StockMoveLineService {
     BigDecimal unitPriceUntaxed = BigDecimal.ZERO;
     if (stockMoveLine.getProduct() != null && stockMove != null) {
       if (stockMove.getTypeSelect() == StockMoveRepository.TYPE_OUTGOING) {
-		if(stockMoveLine.getProduct().getSellable() == true){
+		    if(stockMoveLine.getProduct().getSellable() == true){
           unitPriceUntaxed = stockMoveLine.getProduct().getSalePrice();
         }else{
-          unitPriceUntaxed = stockMoveLine.getProduct().getPurchasePrice();
+          unitPriceUntaxed = stockMoveLine.getProduct().getAvgPrice();
         }
       } else if (stockMove.getTypeSelect() == StockMoveRepository.TYPE_INCOMING) {
         unitPriceUntaxed = stockMoveLine.getProduct().getPurchasePrice();