diff --git a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/TaskElement.java b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/TaskElement.java
index 249c8b6c0..d7b1d444e 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/TaskElement.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/TaskElement.java
@@ -243,7 +243,8 @@ public abstract class TaskElement extends BaseEntity {
     }
 
     public String getProjectCode() {
-        return getOrderElement().getOrder().getCode();
+        //then get the top level project code
+        return getTopMost().getOrderElement().getOrder().getCode();
     }
 
     public void setName(String name) {
diff --git a/libreplan-business/src/test/java/org/libreplan/business/test/planner/daos/TaskElementDAOTest.java b/libreplan-business/src/test/java/org/libreplan/business/test/planner/daos/TaskElementDAOTest.java
index d4b5a3af7..ccb873460 100644
--- a/libreplan-business/src/test/java/org/libreplan/business/test/planner/daos/TaskElementDAOTest.java
+++ b/libreplan-business/src/test/java/org/libreplan/business/test/planner/daos/TaskElementDAOTest.java
@@ -303,6 +303,42 @@ public class TaskElementDAOTest {
         assertThat(child.getParent(), equalTo(reloaded));
     }
 
+    @Test
+    @Transactional
+    public void theTopMostPropertyIsTheToplevelTask() {
+        TaskGroup taskGroup = createValidTaskGroup();
+        TaskElement taskElement = createValidTask();
+        taskGroup.addTaskElement(taskElement);
+        taskElementDAO.save(taskGroup);
+
+        TaskGroup taskGroup2 = createValidTaskGroup();
+        TaskElement taskElement2 = createValidTask();
+        taskGroup2.addTaskElement(taskElement2);
+        taskElementDAO.save(taskGroup2);
+
+        taskGroup.addTaskElement(taskGroup2);
+        taskElementDAO.save(taskGroup);
+
+        flushAndEvict(taskGroup);
+        flushAndEvict(taskGroup2);
+
+        TaskElement reloaded;
+        try {
+            reloaded = taskElementDAO.find(taskGroup.getId());
+        } catch (InstanceNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+
+        List<TaskElement> children = reloaded.getChildren();
+
+        for (TaskElement child : children) {
+            if (child instanceof TaskGroup) {
+                TaskElement child2 = child.getChildren().get(0);
+                assertThat(child2.getTopMost(), equalTo(reloaded));
+            }
+        }
+    }
+
     @Test
     @Transactional
     public void savingGroupSavesAssociatedTaskElements() {
diff --git a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnMilestoneReached.java b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnMilestoneReached.java
index 54d024033..ba090f3a8 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnMilestoneReached.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnMilestoneReached.java
@@ -113,8 +113,8 @@ public class SendEmailOnMilestoneReached implements IEmailNotificationJob {
 
     private void sendEmailNotificationToManager(TaskElement item) {
         String responsible = "";
-        if ( item.getParent().getOrderElement().getOrder().getResponsible() != null ) {
-            responsible = item.getParent().getOrderElement().getOrder().getResponsible();
+        if ( item.getTopMost().getOrderElement().getOrder().getResponsible() != null ) {
+            responsible = item.getTopMost().getOrderElement().getOrder().getResponsible();
         }
 
         User user = null;
@@ -130,7 +130,7 @@ public class SendEmailOnMilestoneReached implements IEmailNotificationJob {
 	            emailNotificationModel.setUpdated(new Date());
 	            emailNotificationModel.setResource(user.getWorker());
 	            emailNotificationModel.setTask(item);
-	            emailNotificationModel.setProject(item.getParent());
+	            emailNotificationModel.setProject(item.getTopMost());
 	            emailNotificationModel.confirmSave();
 	        }
 	    } catch (InstanceNotFoundException e) {
diff --git a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldFinish.java b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldFinish.java
index 7248490db..f06fee3a0 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldFinish.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldFinish.java
@@ -145,7 +145,7 @@ public class SendEmailOnTaskShouldFinish implements IEmailNotificationJob {
                 emailNotificationModel.setUpdated(new Date());
                 emailNotificationModel.setResource(resourceItem);
                 emailNotificationModel.setTask(item);
-                emailNotificationModel.setProject(item.getParent());
+                emailNotificationModel.setProject(item.getTopMost());
                 emailNotificationModel.confirmSave();
             }
         }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldStart.java b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldStart.java
index 6eedb01fd..09ee3e2a7 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldStart.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/importers/notifications/realization/SendEmailOnTaskShouldStart.java
@@ -147,7 +147,7 @@ public class SendEmailOnTaskShouldStart implements IEmailNotificationJob {
                 emailNotificationModel.setUpdated(new Date());
                 emailNotificationModel.setResource(resourceItem);
                 emailNotificationModel.setTask(item);
-                emailNotificationModel.setProject(item.getParent());
+                emailNotificationModel.setProject(item.getTopMost());
                 emailNotificationModel.confirmSave();
             }
         }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
index 0554c4248..e67edf56e 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/taskedition/TaskPropertiesController.java
@@ -800,7 +800,7 @@ public class TaskPropertiesController extends GenericForwardComposer<Component>
 
             emailNotificationModel.setTask(currentTaskElement.getTaskSource().getTask());
 
-            emailNotificationModel.setProject(currentTaskElement.getParent().getTaskSource().getTask());
+            emailNotificationModel.setProject(currentTaskElement.getTopMost().getTaskSource().getTask());
 
             emailNotificationModel.confirmSave();
         } catch (DataIntegrityViolationException e) {