diff --git a/unpacked/extensions/MathMenu.js b/unpacked/extensions/MathMenu.js
index 08b32b2c6..2c910a29d 100644
--- a/unpacked/extensions/MathMenu.js
+++ b/unpacked/extensions/MathMenu.js
@@ -1115,7 +1115,8 @@
           ITEM.RADIO("MathML",    "renderer", {action: MENU.Renderer, value:"NativeMML"}),
           ITEM.RADIO("SVG",       "renderer", {action: MENU.Renderer}),
           ITEM.RULE(),
-          ITEM.CHECKBOX("Fast Preview", "CHTMLpreview")
+          ITEM.CHECKBOX("Fast Preview", "CHTMLpreview"),
+          ITEM.CHECKBOX("Assistive MathML", "assistiveMML", {hidden:!CONFIG.showAssistiveMML})
         ),
         ITEM.SUBMENU("MathPlayer",  {hidden:!HUB.Browser.isMSIE || !CONFIG.showMathPlayer,
                                                     disabled:!HUB.Browser.hasMathPlayer},
@@ -1202,6 +1203,10 @@
     MENU.cookie.showLocale = CONFIG.showLocale = show; MENU.saveCookie();
     MENU.menu.Find("Language").hidden = !show;
   };
+  MENU.showAssistiveMML = function (show) {
+    MENU.cookie.showAssistiveMML = CONFIG.showAssistiveMML = show; MENU.saveCookie();
+    MENU.menu.Find("Math Settings","Math Renderer","Assistive MathML").hidden = !show;
+  };
   
   MathJax.Hub.Register.StartupHook("HTML-CSS Jax Ready",function () {
     if (!MathJax.OutputJax["HTML-CSS"].config.imageFont)