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 15a6e64..e2e24fd 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
@@ -164,6 +164,7 @@ public class DialogPublishOnThredds extends Dialog {
 		selectVRE.setDisplayField("name");
 		selectVRE.setStore(vreStore);
 		selectVRE.setAllowBlank(false);
+		selectVRE.setAutoValidate(true);
 		if(listOfVres==null || listOfVres.isEmpty())
 			loadVresForLoggedUser();
 		else