diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/etlserver/proteomics/ProteinResultDataSetParentLinkingTask.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/etlserver/proteomics/ProteinResultDataSetParentLinkingTask.java
index 297ba5d3665700a6f5e23c2f0c34253635fd94e7..c9781944de018cc937f8fb3cdf7933a1b72c50d2 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/etlserver/proteomics/ProteinResultDataSetParentLinkingTask.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/etlserver/proteomics/ProteinResultDataSetParentLinkingTask.java
@@ -58,7 +58,7 @@ public class ProteinResultDataSetParentLinkingTask implements IMaintenanceTask
 
     private static final String BASE_EXPERIMENT_KEY =
             DataSetInfoExtractorForProteinResults.EXPERIMENT_IDENTIFIER_KEY.toUpperCase();
-    
+
     private static final Logger operationLog = LogFactory.getLogger(LogCategory.OPERATION,
             ProteinResultDataSetParentLinkingTask.class);
 
@@ -131,7 +131,7 @@ public class ProteinResultDataSetParentLinkingTask implements IMaintenanceTask
                 }
             }
         }
-        service.performEntityOperations(new AtomicEntityOperationDetails(null, Collections
+        service.performEntityOperations(new AtomicEntityOperationDetails(null, null, Collections
                 .<NewSpace> emptyList(), Collections.<NewProject> emptyList(), Collections
                 .<NewExperiment> emptyList(), Collections.<SampleUpdatesDTO> emptyList(),
                 Collections.<NewSample> emptyList(), Collections