diff --git a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
index 9c726b8..90c53e6 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/server/GWTWorkspaceBuilder.java
@@ -1712,7 +1712,12 @@ public class GWTWorkspaceBuilder {
 		
 		for (GCubeGroup group : list){
 			try{
-				listContactsModel.add(new InfoContactModel(group.getName(), group.getName(), group.getDisplayName(), true));
+				String groupDN = group.getDisplayName();
+				
+				if(groupDN==null || groupDN.isEmpty())
+					groupDN = group.getName();
+				
+				listContactsModel.add(new InfoContactModel(group.getName(), group.getName(), groupDN, true));
 			}catch (InternalErrorException e) {
 				logger.warn("Dispaly name is not available to group "+group);
 				logger.warn("Adding get name property "+group.getName());