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 4e1ddb15b..53de982fd 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
@@ -162,7 +162,8 @@ class FormBinder {
     }
 
     private void doApply() {
-        aggregate = resourceAllocationsBeingEdited.doAllocation();
+        aggregate = resourceAllocationsBeingEdited.doAllocation()
+                .getAggregate();
         reloadValues();
     }
 
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
index 6ccab7da7..0f04866c6 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationModel.java
@@ -119,8 +119,8 @@ public class ResourceAllocationModel implements IResourceAllocationModel {
     private void doTheAllocation() {
         ResourceAllocationsBeingEdited allocator = resourceAllocationsBeingEdited
                 .taskModifying();
-        allocator.doAllocation();
-        Integer newDaysDuration = allocator.getDaysDuration();
+        AllocationResult allocationResult = allocator.doAllocation();
+        Integer newDaysDuration = allocationResult.getDaysDuration();
         if (task.getDaysDuration() != newDaysDuration) {
             task.setDaysDuration(newDaysDuration);
             ganttTask.setEndDate(task.getEndDate());
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationsBeingEdited.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationsBeingEdited.java
index e431edab4..8ba7dc019 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationsBeingEdited.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/ResourceAllocationsBeingEdited.java
@@ -28,6 +28,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import org.apache.commons.lang.Validate;
 import org.joda.time.Days;
 import org.joda.time.LocalDate;
 import org.navalplanner.business.planner.entities.AggregateOfResourceAllocations;
@@ -185,7 +186,7 @@ public class ResourceAllocationsBeingEdited {
                 && getGenericAllocation().isEmptyResourcesPerDay();
     }
 
-    public AggregateOfResourceAllocations doAllocation() {
+    public AllocationResult doAllocation() {
         checkInvalidValues();
         List<ResourceAllocationWithDesiredResourcesPerDay> allocations = asResourceAllocations();
         switch (calculatedValue) {
@@ -203,7 +204,8 @@ public class ResourceAllocationsBeingEdited {
         default:
             throw new RuntimeException("cant handle: " + calculatedValue);
         }
-        return new AggregateOfResourceAllocations(stripResourcesPerDay(allocations));
+        return new AllocationResult(new AggregateOfResourceAllocations(
+                stripResourcesPerDay(allocations)), daysDuration);
     }
 
     private Integer from(Date startDate, LocalDate end) {
@@ -301,3 +303,27 @@ public class ResourceAllocationsBeingEdited {
     }
 
 }
+
+class AllocationResult {
+
+    private final AggregateOfResourceAllocations aggregate;
+
+    private final Integer daysDuration;
+
+    AllocationResult(AggregateOfResourceAllocations aggregate,
+            Integer daysDuration) {
+        Validate.notNull(daysDuration);
+        Validate.notNull(daysDuration);
+        this.aggregate = aggregate;
+        this.daysDuration = daysDuration;
+    }
+
+    public AggregateOfResourceAllocations getAggregate() {
+        return aggregate;
+    }
+
+    public Integer getDaysDuration() {
+        return daysDuration;
+    }
+
+}