diff --git a/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java b/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
index b382a43..085abf8 100644
--- a/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
+++ b/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
@@ -244,7 +244,7 @@ public class ModelerService {
 	 * @return a XML format string
 	 * @throws RemoteException -
 	 */
-	public String getMetadataRelatedToCollection() throws GCUBEFault {
+	public String getMetadataRelatedToCollection(VOID var) throws GCUBEFault {
 		ResultSet resDerivable, resNative, collectionRelated, totalMF;
 		String preparedWhere="";