diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/validation/HeaderBasedValueValidatorFactory.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/validation/HeaderBasedValueValidatorFactory.java
index beae32c8ac00a0907d7e7f3f835a9f85de8029e4..2d875bb3b9451bb23c4ca16cba8296a446ac0f60 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/validation/HeaderBasedValueValidatorFactory.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/validation/HeaderBasedValueValidatorFactory.java
@@ -22,10 +22,10 @@ import java.util.Properties;
 import java.util.regex.Pattern;
 
 import ch.systemsx.cisd.common.exceptions.ConfigurationFailureException;
+import ch.systemsx.cisd.common.exceptions.UserFailureException;
 import ch.systemsx.cisd.common.utilities.PropertyUtils;
 import ch.systemsx.cisd.openbis.dss.generic.shared.utils.PropertyParametersUtil;
 import ch.systemsx.cisd.openbis.dss.generic.shared.utils.PropertyParametersUtil.SectionProperties;
-import ch.systemsx.cisd.openbis.generic.client.web.client.exception.UserFailureException;
 
 /**
  *