diff --git a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/v1/ISimpleOpenbisServiceFacade.java b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/v1/ISimpleOpenbisServiceFacade.java
index 199fc69a864b69b7d894ebf6836528dcf6a8fad5..ad92c15791224b289972e344c57c8f361d130844 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/v1/ISimpleOpenbisServiceFacade.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/openbis/dss/client/api/v1/ISimpleOpenbisServiceFacade.java
@@ -149,7 +149,7 @@ public interface ISimpleOpenbisServiceFacade
      * @return The requested data set, or null if it does not exist.
      */
     @Retry
-    DataSet getDataSet(String dataSetCodes);
+    DataSet getDataSet(String dataSetCode);
 
     /**
      * Return {@link DataSet} objects for given a set of codes. If some of the specified data set