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 4eae20f5b..ef8383267 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
@@ -206,6 +206,7 @@ public class ResourceAllocationModel implements IResourceAllocationModel {
         allocationResult.applyTo(task);
         ganttTask.fireChangesForPreviousValues(previousStartDate,
                 previousLength);
+        ganttTask.reloadComponent();
         context.reloadCharts();
     }