diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
index 800df9a..342f108 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/ChangeColumnTypePanel.java
@@ -806,6 +806,7 @@ public class ChangeColumnTypePanel extends FramedPanel implements
 			comboColumnMappingLabel.setVisible(false);
 			comboPeriodTypeLabel.setVisible(false);
 			comboValueDataFormatLabel.setVisible(false);
+			comboMeasureType.reset();
 			break;
 		case TIMEDIMENSION:
 			comboLocaleTypeLabel.setVisible(false);