diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportModel.java
index b4b18c0a1..49a0a2010 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportModel.java
@@ -230,6 +230,7 @@ public class WorkReportModel extends IntegrationEntityModel implements
 
     private void initalizeOrderElement(OrderElement orderElement) {
         Hibernate.initialize(orderElement);
+        Hibernate.initialize(orderElement.getChildren());
         initalizeOrder(orderElement);
     }