diff --git a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
index c7aff7e..154d728 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckan2zenodopublisher/client/CkanToZendoPublisherWidget.java
@@ -33,6 +33,8 @@ public class CkanToZendoPublisherWidget {
 
 	private Button buttonPublish = new Button("Publish on Zenodo");
 	private Ckan2ZenodoViewManager manager = null;
+	private BasicTabPanel basicTabPanel;
+	private ModalFooter modalFooter;
 
 
 	public CkanToZendoPublisherWidget() {
@@ -77,7 +79,7 @@ public class CkanToZendoPublisherWidget {
 				loader.setVisible(false);
 				modal.remove(loader);
 				manager = new Ckan2ZenodoViewManager();
-				BasicTabPanel basicTabPanel = manager.viewForPublishing(result);
+				basicTabPanel = manager.viewForPublishing(result);
 				modal.add(basicTabPanel);
 				buttonPublish.setEnabled(true);
 			}
@@ -100,6 +102,10 @@ public class CkanToZendoPublisherWidget {
 				}
 				
 				if(allFormsAreValid) {
+					buttonPublish.setEnabled(false);
+					basicTabPanel.getElement().getStyle().setOpacity(0.5);
+					final LoaderIcon loaderPublishing = new LoaderIcon("Trying to publish on Zenodo...");
+					modalFooter.add(loaderPublishing);
 					//Submit publish on zenodo.
 					ZenodoItem zenodoItem = manager.getZenodoItemFromFieldsForm();
 					GWT.log("Publishing file:  "+zenodoItem.getFiles());
@@ -107,6 +113,9 @@ public class CkanToZendoPublisherWidget {
 
 						@Override
 						public void onFailure(Throwable caught) {
+							buttonPublish.setEnabled(true);
+							basicTabPanel.getElement().getStyle().setOpacity(1.0);
+							modalFooter.remove(loaderPublishing);
 							//modal.clear();
 							Alert erroLabel = new Alert();
 							erroLabel.setClose(false);
@@ -126,6 +135,9 @@ public class CkanToZendoPublisherWidget {
 
 						@Override
 						public void onSuccess(String result) {
+							buttonPublish.setEnabled(true);
+							basicTabPanel.getElement().getStyle().setOpacity(1.0);
+							modalFooter.remove(loaderPublishing);
 							String msg = "Publishing: \n\n"+result+"\n\nIs it right?";
 							Window.alert(msg);
 						}
@@ -134,7 +146,7 @@ public class CkanToZendoPublisherWidget {
 			}
 		});
 		
-		ModalFooter modalFooter = new ModalFooter(buttonPublish);
+		modalFooter = new ModalFooter(buttonPublish);
 		modal.add(modalFooter);
 		modal.show();
 	}