diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/FormBinder.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/FormBinder.java
index b45be80e7..cb6f1b3f8 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/FormBinder.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/FormBinder.java
@@ -169,7 +169,7 @@ class FormBinder {
         this.taskElapsedDays.setDisabled(true);
     }
 
-    private void doApply() {
+    void doApply() {
         lastAllocation = resourceAllocationsBeingEdited.doAllocation();
         aggregate = lastAllocation
                 .getAggregate();
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
index 8e6718cab..c6a225862 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationController.java
@@ -332,6 +332,10 @@ public class ResourceAllocationController extends GenericForwardComposer {
 
     public void advanceAllocation() {
         AllocationResult allocationResult = formBinder.getLastAllocation();
+        if (allocationResult.getAggregate().isEmpty()) {
+            formBinder.doApply();
+            allocationResult = formBinder.getLastAllocation();
+        }
         switcher.goToAdvancedAllocation(allocationResult,
                 createResultReceiver(allocationResult));
         window.setVisible(false);