diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/DialogPublishOnThredds.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/DialogPublishOnThredds.java
index e2e24fd..19a16e1 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/DialogPublishOnThredds.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/windows/DialogPublishOnThredds.java
@@ -163,8 +163,8 @@ public class DialogPublishOnThredds extends Dialog {
 		selectVRE.setFieldLabel("Publish in the VRE *");
 		selectVRE.setDisplayField("name");
 		selectVRE.setStore(vreStore);
-		selectVRE.setAllowBlank(false);
-		selectVRE.setAutoValidate(true);
+//		selectVRE.setAllowBlank(false);
+//		selectVRE.setAutoValidate(true);
 		if(listOfVres==null || listOfVres.isEmpty())
 			loadVresForLoggedUser();
 		else
@@ -174,7 +174,6 @@ public class DialogPublishOnThredds extends Dialog {
 		selectVRE.setEditable(false);
 		selectVRE.setTriggerAction(TriggerAction.ALL);
 
-
 		txtCatalogueName.addKeyListener(new KeyListener() { // KEY ENTER
 
 			public void componentKeyPress(ComponentEvent event) {
@@ -306,11 +305,11 @@ public class DialogPublishOnThredds extends Dialog {
 	 */
 	public boolean isValidForm() {
 
-		if (txtCatalogueName.isValid() && txtCatalogueName.getValue() != null && selectVRE.getSelectionLength()>0)
+		if (txtCatalogueName.isValid() && txtCatalogueName.getValue() != null && selectVRE.getSelection().size()>0)
 			return true;
 
-		if(selectVRE.getSelectionLength()==0)
-			selectVRE.forceInvalid("Required");
+//		if(selectVRE.getSelection().size()==0)
+//			selectVRE.forceInvalid("Required");
 
 		return false;
 	}