diff --git a/ems-engine/src/main/java/it/integry/ems/production/service/OrtoFruttaProductionService.java b/ems-engine/src/main/java/it/integry/ems/production/service/OrtoFruttaProductionService.java
index 5e6bce5d8d..b500469206 100644
--- a/ems-engine/src/main/java/it/integry/ems/production/service/OrtoFruttaProductionService.java
+++ b/ems-engine/src/main/java/it/integry/ems/production/service/OrtoFruttaProductionService.java
@@ -464,7 +464,7 @@ public class OrtoFruttaProductionService {
                 .setCodMdep(ordAcq.getCodMdep())
         ;
 
-        BigDecimal qtaScarto = dto.getQtaCol().multiply(dto.getTassoRiduzione()).divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP);
+        BigDecimal qtaScarto = !UtilityBigDecimal.isNullOrZero(dto.getTassoRiduzione()) ? dto.getQtaCol().multiply(dto.getTassoRiduzione()).divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP) : BigDecimal.ZERO;
         BigDecimal qtaCnf = dto.getQtaCol().divide(dto.getNumCnf(), 3, RoundingMode.HALF_UP);
         BigDecimal qtaDoc = dto.getQtaCol().subtract(qtaScarto);
         BigDecimal numCnf = qtaDoc.divide(qtaCnf, 2, RoundingMode.HALF_UP);