diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLine.java b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLine.java
index ded24279e..fac42a838 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLine.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLine.java
@@ -152,7 +152,9 @@ public class OrderLine extends OrderElement {
     @Override
     public OrderLineGroup toContainer() {
         OrderLineGroup result = OrderLineGroup.create();
+        result.setCode(getCode());
         result.setName(getName());
+        setCode("");
         setName("");
         return result;
     }
diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLineGroup.java b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLineGroup.java
index faf62a494..5d29b8146 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLineGroup.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/entities/OrderLineGroup.java
@@ -341,7 +341,8 @@ public class OrderLineGroup extends OrderElement implements
         OrderLine result = OrderLine.create();
 
         result.infoComponent = getInfoComponent().copy();
-        result.setCode(null);
+        result.setCode(getCode());
+        setCode("");
         result.setInitDate(getInitDate());
         result.setDeadline(getDeadline());