diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentSetCriteria.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentSetCriteria.java
index c57ab17258b6f7ecd8a69b8f1b589ebf4192b105..fc8434d2c7d8372ff6e0dcfe8b8e06716ef892c4 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentSetCriteria.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentSetCriteria.java
@@ -16,13 +16,16 @@
 
 package ch.systemsx.cisd.openbis.plugin.screening.shared.basic.dto;
 
+import ch.systemsx.cisd.openbis.generic.shared.basic.ISerializable;
+import ch.systemsx.cisd.openbis.generic.shared.basic.dto.ServiceVersionHolder;
+
 /**
  * Points to a set of experiments.
  * 
  * @author Tomasz Pylak
  */
 // TODO 2011-05-30, Tomasz Pylak: this is a skeleton which has to be implemented and used!
-public class ExperimentSetCriteria
+public class ExperimentSetCriteria implements ISerializable
 {
     /** Creates criteria which point to all accessible experiments in the database. */
     public static final ExperimentSetCriteria createAll()
@@ -38,4 +41,6 @@ public class ExperimentSetCriteria
         return null;
     }
 
+    private static final long serialVersionUID = ServiceVersionHolder.VERSION;
+
 }