diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/PlanningStateCreator.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/PlanningStateCreator.java
index e32dc7ae1..7b2f03d47 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/PlanningStateCreator.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/PlanningStateCreator.java
@@ -82,7 +82,9 @@ import org.libreplan.business.scenarios.entities.Scenario;
 import org.libreplan.business.users.daos.IOrderAuthorizationDAO;
 import org.libreplan.business.users.entities.OrderAuthorization;
 import org.libreplan.business.users.entities.ProfileOrderAuthorization;
+import org.libreplan.business.users.entities.User;
 import org.libreplan.business.users.entities.UserOrderAuthorization;
+import org.libreplan.web.UserUtil;
 import org.libreplan.web.calendars.BaseCalendarModel;
 import org.libreplan.web.planner.TaskElementAdapter;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -867,7 +869,16 @@ public class PlanningStateCreator {
         }
 
         public void reassociateResourcesWithSession() {
+            User user = UserUtil.getUserFromSession();
+            boolean isBoundUser = (user != null) && user.isBound();
+
             for (Resource resource : resources) {
+                if (isBoundUser
+                        && user.getWorker().getId().equals(resource.getId())) {
+                    // Resource bound to current user is already associated with
+                    // session
+                    continue;
+                }
                 resourceDAO.reattach(resource);
             }
             // ensuring no repeated instances of criterions