diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
index c57f8c9..2771d3f 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/create/AddColumnPanel.java
@@ -674,10 +674,7 @@ public class AddColumnPanel extends FramedPanel implements
 			comboDimensionTypeLabel.setVisible(false);
 			comboColumnReferenceTypeLabel.setVisible(false);
 			comboTimeDimensionTypeLabel.setVisible(false);
-			exWrapper=null;
-			defaultValueString.reset();
-			btnRemoveExpression.setVisible(false);
-			defaultStringLabel.setVisible(true);
+			defaultStringLabel.setVisible(false);
 			break;
 		case TIMEDIMENSION:
 			comboLocaleTypeLabel.setVisible(false);
@@ -706,11 +703,16 @@ public class AddColumnPanel extends FramedPanel implements
 	}
 
 	protected void updateMeasureType(ColumnDataType type) {
-
+		Log.debug("Update ColumnTypeCode " + type);
+		exWrapper=null;
+		defaultValueString.reset();
+		btnRemoveExpression.setVisible(false);
+		defaultStringLabel.setVisible(true);
+		forceLayout();
 	}
 
 	protected void updateAttributeType(ColumnDataType type) {
-		Log.debug("Update ColumnTypeCode " + type.toString());
+		Log.debug("Update ColumnTypeCode " + type);
 		exWrapper=null;
 		defaultValueString.reset();
 		btnRemoveExpression.setVisible(false);