diff --git a/src/main/java/org/gcube/portlets/user/td/client/ribbon/CurationToolBar.java b/src/main/java/org/gcube/portlets/user/td/client/ribbon/CurationToolBar.java
index 5a09098..8016a89 100644
--- a/src/main/java/org/gcube/portlets/user/td/client/ribbon/CurationToolBar.java
+++ b/src/main/java/org/gcube/portlets/user/td/client/ribbon/CurationToolBar.java
@@ -494,12 +494,14 @@ public class CurationToolBar {
 				denormalizeButton.enable();
 				normalizeButton.enable();
 				
-				extractCodelistButton.enable();
+				
 				TRId trId = event.getTrId();
 				if (trId != null && trId.getTableType() != null
 						&& trId.getTableType().compareTo("Codelist") == 0) {
+					extractCodelistButton.disable();
 					codelistMappingButton.enable();
 				} else {
+					extractCodelistButton.enable();
 					codelistMappingButton.disable();
 				}
 				//generateSummaryButton.disable();
diff --git a/src/main/resources/org/gcube/portlets/user/td/tabulardataportlet.gwt.xml b/src/main/resources/org/gcube/portlets/user/td/tabulardataportlet.gwt.xml
index 1ca3b92..926718e 100644
--- a/src/main/resources/org/gcube/portlets/user/td/tabulardataportlet.gwt.xml
+++ b/src/main/resources/org/gcube/portlets/user/td/tabulardataportlet.gwt.xml
@@ -3,6 +3,10 @@
 	<inherits name='com.google.gwt.user.User' />
 	<inherits name="com.google.gwt.http.HTTP" />
 	<inherits name="com.google.gwt.i18n.I18N" />
+	
+	<!-- Debug CSS style -->
+	<set-configuration-property name="CssResource.style" value="pretty" 
+		/> 
 
 	<!-- <inherits name='com.extjs.gxt.ui.GXT' /> -->
 	<inherits name='com.sencha.gxt.ui.GXT' />