diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/OrderPlanningModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/OrderPlanningModel.java
index 4f628a372..11576feaf 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/OrderPlanningModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/order/OrderPlanningModel.java
@@ -671,6 +671,9 @@ public abstract class OrderPlanningModel implements IOrderPlanningModel {
                 IOnMoveListener.class, new IOnMoveListener() {
                     @Override
                     public void moved(TaskElement taskElement) {
+                        if (isExecutingOutsideZKExecution()) {
+                            return;
+                        }
                         if (planner.isVisibleChart()) {
                             loadChart.fillChart();
                         }
@@ -687,6 +690,10 @@ public abstract class OrderPlanningModel implements IOrderPlanningModel {
                 }));
     }
 
+    private boolean isExecutingOutsideZKExecution() {
+        return Executions.getCurrent() == null;
+    }
+
     private void addAdditional(List<ICommand<TaskElement>> additional,
             PlannerConfiguration<TaskElement> configuration) {
         for (ICommand<TaskElement> c : additional) {