diff --git a/source/Ox.UI/js/Form/Ox.Spreadsheet.js b/source/Ox.UI/js/Form/Ox.Spreadsheet.js
index 2a7fef3d..14efff0d 100644
--- a/source/Ox.UI/js/Form/Ox.Spreadsheet.js
+++ b/source/Ox.UI/js/Form/Ox.Spreadsheet.js
@@ -32,9 +32,11 @@ Ox.Spreadsheet = function(options, self) {
 
     function addColumn(index) {
         self.options.columns.splice(index, 0, '');
-        self.values = self.values.map(function(columns) {
-            return columns.splice(index, 0, 0);
+        Ox.print('sv', JSON.stringify(self.values))
+        self.values.forEach(function(columns) {
+            columns.splice(index, 0, 0);
         });
+        Ox.print('sv', JSON.stringify(self.values))
         renderSpreadsheet();
     }
 
@@ -63,8 +65,8 @@ Ox.Spreadsheet = function(options, self) {
 
     function removeColumn(index) {
         self.options.columns.splice(index, 1);
-        self.values = self.values.map(function(columns) {
-            return columns.splice(index, 1);
+        self.values.forEach(function(columns) {
+            columns.splice(index, 1);
         });
         renderSpreadsheet();
     }