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 a8e8a9de3..2034af23a 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
@@ -157,4 +157,15 @@ class FormBinder {
         return assignedHoursComponent.getValue();
     }
 
+    public void setDeleteButtonFor(SpecificAllocationDTO data,
+            Button deleteButton) {
+        deleteButton.addEventListener(Events.ON_CLICK, new EventListener() {
+
+            @Override
+            public void onEvent(Event event) throws Exception {
+                applyButton.setDisabled(false);
+            }
+        });
+    }
+
 }
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 48eed1c19..cad8db213 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
@@ -303,7 +303,9 @@ public class ResourceAllocationController extends GenericForwardComposer {
 
             bindResourcesPerDay(appendDecimalbox(item), data);
             // On click delete button
-            appendButton(item, _("Delete")).addEventListener("onClick",
+            Button deleteButton = appendButton(item, _("Delete"));
+            formBinder.setDeleteButtonFor(data, deleteButton);
+            deleteButton.addEventListener("onClick",
                     new EventListener() {
 
                         @Override