diff --git a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderDAO.java b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderDAO.java
index 835321c68..7f30ab93d 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderDAO.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/orders/daos/OrderDAO.java
@@ -27,6 +27,7 @@ import java.util.Date;
 import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
+import org.hibernate.Criteria;
 import org.hibernate.Query;
 import org.hibernate.criterion.MatchMode;
 import org.hibernate.criterion.Restrictions;
@@ -407,12 +408,11 @@ public class OrderDAO extends IntegrationEntityDAO<Order> implements
     @Override
     @Transactional(readOnly = true, propagation = Propagation.REQUIRES_NEW)
     public boolean existsByNameAnotherTransaction(String name) {
-        try {
-            Order order = findByName(name);
-            return order.getName().equals(name);
-        } catch (InstanceNotFoundException e) {
-            return false;
-        }
+
+        Criteria c = getSession().createCriteria(getEntityClass());
+        c.add(Restrictions.eq("infoComponent.name", name).ignoreCase());
+
+        return c.list().size() > 0;
     }
 
 }
diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/orders/ProjectDetailsController.java b/libreplan-webapp/src/main/java/org/libreplan/web/orders/ProjectDetailsController.java
index 07470d39e..40565c130 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/orders/ProjectDetailsController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/orders/ProjectDetailsController.java
@@ -31,6 +31,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.libreplan.business.calendars.entities.BaseCalendar;
 import org.libreplan.business.externalcompanies.entities.ExternalCompany;
+import org.libreplan.business.orders.daos.IOrderDAO;
 import org.libreplan.business.orders.entities.Order;
 import org.libreplan.business.templates.entities.OrderTemplate;
 import org.libreplan.web.common.ConstraintChecker;
@@ -38,6 +39,7 @@ import org.libreplan.web.common.Util;
 import org.libreplan.web.common.components.bandboxsearch.BandboxSearch;
 import org.libreplan.web.planner.consolidations.AdvanceConsolidationController;
 import org.libreplan.web.planner.tabs.MultipleTabsPlannerController;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.zkoss.zk.ui.Component;
 import org.zkoss.zk.ui.Executions;
 import org.zkoss.zk.ui.SuspendNotAllowedException;
@@ -90,6 +92,9 @@ public class ProjectDetailsController extends GenericForwardComposer {
 
     private Datebox deadline;
 
+    @Autowired
+    private IOrderDAO orderDAO;
+
     public ProjectDetailsController() {
         Window window = (Window) Executions.createComponents(
                 "/orders/_projectDetails.zul", null,
@@ -155,6 +160,10 @@ public class ProjectDetailsController extends GenericForwardComposer {
             showWrongValue();
             return false;
         }
+        if (orderDAO.existsByNameAnotherTransaction(txtName.getValue())) {
+            showWrongName();
+            return false;
+        }
         return true;
     }
 
@@ -162,6 +171,11 @@ public class ProjectDetailsController extends GenericForwardComposer {
         throw new WrongValueException(initDate, _("cannot be null or empty"));
     }
 
+    private void showWrongName() {
+        throw new WrongValueException(txtName,
+                _("project name already being used"));
+    }
+
     private void close() {
         window.setVisible(false);
     }