diff --git a/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java b/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
index d272fe1..f1715d1 100644
--- a/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
+++ b/src/org/gcube/vremanagement/vremodeler/impl/ModelerService.java
@@ -365,7 +365,6 @@ public class ModelerService {
 						row.add(request.getCollectionIDArray(i));
 						row.add(request.getMdFormatIDArray(j));
 						values.add(row.toArray(new String[3]));
-
 					}
 				}
 
diff --git a/src/org/gcube/vremanagement/vremodeler/impl/thread/DeployVRE.java b/src/org/gcube/vremanagement/vremodeler/impl/thread/DeployVRE.java
index 549e33c..5ba188a 100644
--- a/src/org/gcube/vremanagement/vremodeler/impl/thread/DeployVRE.java
+++ b/src/org/gcube/vremanagement/vremodeler/impl/thread/DeployVRE.java
@@ -274,7 +274,7 @@ public class DeployVRE extends Thread{
 				//retrieving MDCollection with native MDFormat
 				try{
 					ResourceItem resItem;
-					ResultSet resMdColNative =DBInterface.queryDB("select s.collid from VRERELATEDMETADATAFORMAT AS s where s.vreid='"+this.getParameter().second+"';");
+					ResultSet resMdColNative =DBInterface.queryDB("select n.mdcollid from VRERELATEDMETADATAFORMAT AS s, NATIVEMDF as n where s.vreid='"+this.getParameter().second+"' and n.mdfid=s.mfid;");
 					while (resMdColNative.next()){
 						resItem= new ResourceItem();
 						resItem.setID(resMdColNative.getString(1));