diff --git a/source/Ox.UI/js/Menu/MenuButton.js b/source/Ox.UI/js/Menu/MenuButton.js
index 5dd5bbcb..2364e57e 100644
--- a/source/Ox.UI/js/Menu/MenuButton.js
+++ b/source/Ox.UI/js/Menu/MenuButton.js
@@ -54,7 +54,11 @@ Ox.MenuButton = function(options, self) {
             }
         })
         .addClass(
-            'OxSelect Ox' + Ox.toTitleCase(self.options.style)
+            'OxSelect Ox' + Ox.toTitleCase(self.options.style) + (
+                self.options.overlap != 'none'
+                ? ' OxOverlap' + Ox.toTitleCase(self.options.overlap)
+                : ''
+            )
         )
         .css(self.options.width == 'auto' ? {} : {
             width: self.options.width - 2 + 'px'