diff --git a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
index 02c9d52..825d1d9 100644
--- a/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/columnwidget/client/PositionColumnPanel.java
@@ -264,6 +264,10 @@ public class PositionColumnPanel extends FramedPanel {
 					public void onSuccess(ArrayList<ColumnData> result) {
 						try {
 							Log.debug("loaded " + result.size() + " ColumnData");
+							if(result.size()<=1){
+								reorder.disable();
+							}
+							
 							callback.onSuccess(new ListLoadResultBean<ColumnData>(
 									result));