diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/HoursGroup.java b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/HoursGroup.java
index 25e98c36a..dffc021ca 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/HoursGroup.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/HoursGroup.java
@@ -86,8 +86,8 @@ public class HoursGroup extends BaseEntity implements Cloneable {
         return code;
     }
 
-    public void setCode(String name) {
-        this.code = name;
+    public void setCode(String code) {
+        this.code = code;
     }
 
     public ResourceEnum getResourceType() {
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/OrderLine.java b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/OrderLine.java
index 898d4c54c..cb6e06dc7 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/OrderLine.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/orders/entities/OrderLine.java
@@ -39,6 +39,8 @@ import org.navalplanner.business.requirements.entities.DirectCriterionRequiremen
 
 public class OrderLine extends OrderElement {
 
+    private static final String INITIAL_HOURS_GROUP_CODE = "HOURS-GROUP-CODE";
+
     public static OrderLine create() {
         OrderLine result = new OrderLine();
         result.setNewObject(true);
@@ -49,6 +51,7 @@ public class OrderLine extends OrderElement {
         OrderLine result = create();
         HoursGroup hoursGroup = HoursGroup.create(result);
         result.addHoursGroup(hoursGroup);
+        hoursGroup.setCode(INITIAL_HOURS_GROUP_CODE);
         hoursGroup.setFixedPercentage(false);
         hoursGroup.setPercentage(new BigDecimal(1));
         hoursGroup.setWorkingHours(hours);
@@ -162,6 +165,7 @@ public class OrderLine extends OrderElement {
             HoursGroup hoursGroup = HoursGroup.create(this);
             hoursGroup.setWorkingHours(workHours);
             hoursGroup.setPercentage((new BigDecimal(1).setScale(2)));
+            hoursGroup.setCode(INITIAL_HOURS_GROUP_CODE);
             hoursGroups.add(hoursGroup);
         } else {