diff --git a/source/Ox.UI/js/Form/CheckboxGroup.js b/source/Ox.UI/js/Form/CheckboxGroup.js
index a966c8eb..5eb8c2bb 100644
--- a/source/Ox.UI/js/Form/CheckboxGroup.js
+++ b/source/Ox.UI/js/Form/CheckboxGroup.js
@@ -28,6 +28,13 @@ Ox.CheckboxGroup = function(options, self) {
                 width: 256
             })
             .options(options || {})
+            .update({
+                width: function() {
+                    self.$checkboxes.forEach(function($checkbox) {
+                        $checkbox.options({width: self.options.width});
+                    });
+                }
+            })
             .addClass('OxCheckboxGroup Ox' + Ox.toTitleCase(self.options.type));
 
     self.options.checkboxes = self.options.checkboxes.map(function(checkbox) {