diff --git a/src/com/rjconsultores/ventaboletos/dao/hibernate/CalcularPeajeHibernateDAO.java b/src/com/rjconsultores/ventaboletos/dao/hibernate/CalcularPeajeHibernateDAO.java
index 26d85450f..75c7afedc 100644
--- a/src/com/rjconsultores/ventaboletos/dao/hibernate/CalcularPeajeHibernateDAO.java
+++ b/src/com/rjconsultores/ventaboletos/dao/hibernate/CalcularPeajeHibernateDAO.java
@@ -10,8 +10,10 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import org.hibernate.Query;
 import org.hibernate.SessionFactory;
@@ -168,17 +170,21 @@ public class CalcularPeajeHibernateDAO extends GenericHibernateDAO<String, Strin
 	}
 
 	private Map<Integer, CasetaPeaje> buscaCasetas(List<PeajeVO> pvo) {
-		List<Integer> ids = new ArrayList<Integer>();
+		Set<Integer> ids = new LinkedHashSet<Integer>();
 		Map<Integer, CasetaPeaje> casetas = new HashMap<Integer, CasetaPeaje>();
+		
 		for (PeajeVO p : pvo) {
 			ids.add(p.casetaPeajeId);
 		}
+		
 		Query query = getSession()
 				.createQuery("select c from CasetaPeaje c where c.casetaPeajeId in (:ids) ");
 		query.setParameterList("ids", ids);
+		
 		for (CasetaPeaje c : (List<CasetaPeaje>) query.list()) {
 			casetas.put(c.getCasetaPeajeId(), c);
 		}
+		
 		return casetas;
 	}