diff --git a/openbis_api/source/java/ch/ethz/sis/openbis/generic/dss/api/v3/dto/entity/datasetfile/DataSetFile.java b/openbis_api/source/java/ch/ethz/sis/openbis/generic/dss/api/v3/dto/entity/datasetfile/DataSetFile.java
index 63f5333ea043a4ac06a629feea1f91aad491d8b2..7536c8b20c29138cc000079b088c0b42a6e63cc4 100644
--- a/openbis_api/source/java/ch/ethz/sis/openbis/generic/dss/api/v3/dto/entity/datasetfile/DataSetFile.java
+++ b/openbis_api/source/java/ch/ethz/sis/openbis/generic/dss/api/v3/dto/entity/datasetfile/DataSetFile.java
@@ -18,12 +18,12 @@ package ch.ethz.sis.openbis.generic.dss.api.v3.dto.entity.datasetfile;
 
 import java.io.Serializable;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonProperty;
-
 import ch.ethz.sis.openbis.generic.shared.api.v3.dto.id.dataset.DataSetPermId;
 import ch.systemsx.cisd.base.annotation.JsonObject;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 /**
  * @author Jakub Straszewski
  */
@@ -59,4 +59,10 @@ public class DataSetFile implements Serializable
     {
         this.fileName = fileName;
     }
+
+    @Override
+    public String toString()
+    {
+        return "DataSetFile: " + fileName + ", " + dataSetPermId;
+    }
 }