diff --git a/main/webapp/modules/core/scripts/views/data-table/menu-edit-cells.js b/main/webapp/modules/core/scripts/views/data-table/menu-edit-cells.js
index 3bfb5bb6e..a1191ecbb 100644
--- a/main/webapp/modules/core/scripts/views/data-table/menu-edit-cells.js
+++ b/main/webapp/modules/core/scripts/views/data-table/menu-edit-cells.js
@@ -304,7 +304,9 @@ DataTableColumnHeaderUI.extendMenu(function(column, columnHeaderUI, menu) {
 
     var level = DialogSystem.showDialog(frame);
     var dismiss = function() { DialogSystem.dismissUntil(level - 1); };
-
+    
+    elmts.separatorInput.focus().select();
+    
     elmts.cancelButton.click(dismiss);
     elmts.okButton.click(function() {
       var mode = $("input[name='split-by-mode']:checked")[0].value;
diff --git a/main/webapp/modules/core/scripts/views/data-table/menu-edit-column.js b/main/webapp/modules/core/scripts/views/data-table/menu-edit-column.js
index 676ced7ab..8556b0683 100644
--- a/main/webapp/modules/core/scripts/views/data-table/menu-edit-column.js
+++ b/main/webapp/modules/core/scripts/views/data-table/menu-edit-column.js
@@ -277,6 +277,8 @@ DataTableColumnHeaderUI.extendMenu(function(column, columnHeaderUI, menu) {
 
     var level = DialogSystem.showDialog(frame);
     var dismiss = function() { DialogSystem.dismissUntil(level - 1); };
+    
+    elmts.separatorInput.focus().select();
 
     elmts.cancelButton.click(dismiss);
     elmts.okButton.click(function() {