diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
index 5614c6631..fcc36363d 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
@@ -257,6 +257,7 @@ public class GenericResourceAllocation extends
         return new ArrayList<Resource>(resources);
     }
 
+    @Override
     public IAllocatable withPreviousAssociatedResources() {
         return forResources(getAssociatedResources());
     }
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
index c125057f9..14e8cdf7d 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
@@ -268,6 +268,8 @@ public abstract class ResourceAllocation<T extends DayAssignment> extends
                 resourcesPerDay);
     }
 
+    public abstract IAllocatable withPreviousAssociatedResources();
+
     protected abstract class AssignmentsAllocation implements IAllocatable {
 
         @Override
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
index e2f7f1a47..f8e98be43 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
@@ -173,4 +173,9 @@ public class SpecificResourceAllocation extends
             p.detach();
         }
     }
+
+    @Override
+    public IAllocatable withPreviousAssociatedResources() {
+        return this;
+    }
 }
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
index de3df6f3a..ebb583cc6 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
@@ -470,11 +470,14 @@ class Row {
         if (isGroupingRow()) {
             return;
         }
+        final Intbox intbox = (Intbox) component;
         component.addEventListener(Events.ON_CHANGE, new EventListener() {
 
             @Override
             public void onEvent(Event event) throws Exception {
                 fireCellChanged(item);
+                Integer value = intbox.getValue();
+                allocateOnInterval(getAllocation(), item, value);
             }
         });
     }
@@ -489,6 +492,13 @@ class Row {
         }
     }
 
+    private ResourceAllocation<?> getAllocation() {
+        if (isGroupingRow()) {
+            throw new IllegalStateException("is grouping row");
+        }
+        return aggregate.getAllocationsSortedByStartDate().get(0);
+    }
+
     private boolean isGroupingRow() {
         return aggregate.getAllocationsSortedByStartDate().size() > 1;
     }