diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java b/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java
index d4e5eb80f..ae28be149 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/common/FilterUtils.java
@@ -24,7 +24,9 @@ import java.util.List;
 import java.util.Set;
 
 import org.joda.time.LocalDate;
+import org.libreplan.business.orders.entities.Order;
 import org.libreplan.web.common.components.finders.FilterPair;
+import org.zkoss.ganttz.timetracker.zoom.ZoomLevel;
 import org.zkoss.zk.ui.Sessions;
 
 /**
@@ -149,4 +151,22 @@ public class FilterUtils {
         }
     }
 
+    public static ZoomLevel readZoomLevel() {
+        return (ZoomLevel) Sessions.getCurrent().getAttribute("zoomLevel");
+    }
+
+    public static void writeZoomLevel(ZoomLevel zoomLevel) {
+        Sessions.getCurrent().setAttribute("zoomLevel", zoomLevel);
+    }
+
+    public static ZoomLevel readZoomLevel(Order order) {
+        return (ZoomLevel) Sessions.getCurrent().getAttribute(
+                order.getCode() + "-zoomLevel");
+    }
+
+    public static void writeZoomLevel(Order order, ZoomLevel zoomLevel) {
+        Sessions.getCurrent().setAttribute(order.getCode() + "-zoomLevel",
+                zoomLevel);
+    }
+
 }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/company/CompanyPlanningModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/company/CompanyPlanningModel.java
index 0f8043523..ccd889877 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/company/CompanyPlanningModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/company/CompanyPlanningModel.java
@@ -63,6 +63,7 @@ import org.libreplan.business.scenarios.IScenarioManager;
 import org.libreplan.business.scenarios.entities.Scenario;
 import org.libreplan.business.users.daos.IUserDAO;
 import org.libreplan.business.users.entities.User;
+import org.libreplan.web.common.FilterUtils;
 import org.libreplan.web.common.components.finders.FilterPair;
 import org.libreplan.web.common.components.finders.TaskGroupFilterEnum;
 import org.libreplan.web.planner.TaskElementAdapter;
@@ -268,8 +269,7 @@ public class CompanyPlanningModel implements ICompanyPlanningModel {
 
     private ZoomLevel getZoomLevel(
             PlannerConfiguration<TaskElement> configuration) {
-        ZoomLevel sessionZoom = (ZoomLevel) Sessions.getCurrent().getAttribute(
-                "zoomLevel");
+        ZoomLevel sessionZoom = FilterUtils.readZoomLevel();
         if (sessionZoom != null) {
             return sessionZoom;
         }
@@ -285,7 +285,7 @@ public class CompanyPlanningModel implements ICompanyPlanningModel {
 
             @Override
             public void zoomLevelChanged(ZoomLevel detailLevel) {
-                Sessions.getCurrent().setAttribute("zoomLevel", detailLevel);
+                FilterUtils.writeZoomLevel(detailLevel);
             }
         };
 
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
index 0fe2054a3..fd8362a75 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
@@ -71,6 +71,7 @@ import org.libreplan.business.users.entities.UserRole;
 import org.libreplan.business.workingday.EffortDuration;
 import org.libreplan.web.calendars.BaseCalendarModel;
 import org.libreplan.web.common.ConfirmCloseUtil;
+import org.libreplan.web.common.FilterUtils;
 import org.libreplan.web.common.ViewSwitcher;
 import org.libreplan.web.planner.adaptplanning.IAdaptPlanningCommand;
 import org.libreplan.web.planner.advances.AdvanceAssignmentPlanningController;
@@ -123,7 +124,6 @@ import org.zkoss.ganttz.timetracker.zoom.ZoomLevel;
 import org.zkoss.ganttz.util.Interval;
 import org.zkoss.ganttz.util.ProfilingLogFactory;
 import org.zkoss.zk.ui.Executions;
-import org.zkoss.zk.ui.Sessions;
 import org.zkoss.zk.ui.WrongValueException;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
@@ -406,8 +406,7 @@ public class OrderPlanningModel implements IOrderPlanningModel {
 
     private ZoomLevel getZoomLevel(
             PlannerConfiguration<TaskElement> configuration, Order order) {
-        ZoomLevel sessionZoom = (ZoomLevel) Sessions.getCurrent().getAttribute(
-                order.getCode() + "-zoomLevel");
+        ZoomLevel sessionZoom = FilterUtils.readZoomLevel(order);
         if (sessionZoom != null) {
             return sessionZoom;
         }
@@ -425,8 +424,7 @@ public class OrderPlanningModel implements IOrderPlanningModel {
 
             @Override
             public void zoomLevelChanged(ZoomLevel detailLevel) {
-                Sessions.getCurrent().setAttribute(
-                        order.getCode() + "-zoomLevel", detailLevel);
+                FilterUtils.writeZoomLevel(order, detailLevel);
             }
         };