diff --git a/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/GcubeCkanDataCatalogServiceImpl.java b/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/GcubeCkanDataCatalogServiceImpl.java
index c9751a2..9f7040a 100644
--- a/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/GcubeCkanDataCatalogServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/GcubeCkanDataCatalogServiceImpl.java
@@ -159,6 +159,7 @@ public class GcubeCkanDataCatalogServiceImpl extends RemoteServiceServlet implem
 				vres+=vre+",";
 			}
 			vres = vres.substring(0, vres.length()-1); //remove last ","
+			vres.toLowerCase(); //A CKAN Organization ID must be lower case
 		}
 
 		logger.debug("List of VREs contains: " +vres);
diff --git a/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/UserUtil.java b/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/UserUtil.java
index a209786..c5240d0 100644
--- a/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/UserUtil.java
+++ b/src/main/java/org/gcube/portlets/gcubeckan/gcubeckandatacatalog/server/UserUtil.java
@@ -50,7 +50,8 @@ public class UserUtil {
 			logger.info("List of VREs for "+userEMail+ " is/are: "+listOfGroups.size());
 			List<String> vreNames = new ArrayList<String>(listOfGroups.size());
 			for (GCubeGroup gCubeGroup : listOfGroups) {
-				vreNames.add(gCubeGroup.getGroupName());
+				if(groupManager.isVRE(gCubeGroup.getGroupId())) //Is it a VRE?
+					vreNames.add(gCubeGroup.getGroupName());
 			}
 			logger.debug("Returning VRE names: "+vreNames);
 			return vreNames;