diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/orders/daos/OrderElementDAO.java b/navalplanner-business/src/main/java/org/navalplanner/business/orders/daos/OrderElementDAO.java
index 0bef8fdf3..46794445d 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/orders/daos/OrderElementDAO.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/orders/daos/OrderElementDAO.java
@@ -181,8 +181,9 @@ public class OrderElementDAO extends IntegrationEntityDAO<OrderElement>
     @Override
     @Transactional(readOnly = true)
     public BigDecimal getHoursAdvancePercentage(OrderElement orderElement) {
-        BigDecimal assignedHours = new BigDecimal(orderElement
-                .getSumChargedHours().getTotalChargedHours()).setScale(2);
+        final Integer totalChargedHours = orderElement.getSumChargedHours() != null ? orderElement
+                .getSumChargedHours().getTotalChargedHours() : new Integer(0);
+        BigDecimal assignedHours = new BigDecimal(totalChargedHours).setScale(2);
         BigDecimal estimatedHours = new BigDecimal(orderElement.getWorkHours())
                 .setScale(2);