diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/dto/QueryPE.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/dto/QueryPE.java
index 820609c6bdd0973a6391bd4b22ecfaf1fcaf1091..1d2ec5d2f2593fbd1a3808e9c8af5e872baec774 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/dto/QueryPE.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/dto/QueryPE.java
@@ -38,7 +38,7 @@ public class QueryPE extends AbstractExpressionPE<QueryPE>
 {
     private static final long serialVersionUID = ServiceVersionHolder.VERSION;
 
-    private String queryDatabaseKey;
+    private String queryDatabaseKey = "1"; // FIXME
 
     private String name;