diff --git a/src/main/java/org/gcube/portlets/user/td/client/TabularDataController.java b/src/main/java/org/gcube/portlets/user/td/client/TabularDataController.java
index 112b222..46b8895 100644
--- a/src/main/java/org/gcube/portlets/user/td/client/TabularDataController.java
+++ b/src/main/java/org/gcube/portlets/user/td/client/TabularDataController.java
@@ -1546,7 +1546,7 @@ public class TabularDataController {
 												if (opId.compareTo(GridHeaderOperationId.COLUMNREPLACEBYEXPRESSION
 														.toString()) == 0) {
 													//TODO
-													openColumnMerge(columnName);
+													openReplaceColumnByExpression(columnName);
 												} else {
 
 												}