diff --git a/lib/mj-page.js b/lib/mj-page.js
index 457d475d..4356d991 100644
--- a/lib/mj-page.js
+++ b/lib/mj-page.js
@@ -158,6 +158,10 @@ function ConfigureMathJax() {
 
       delete MathJax.Hub.config.styles;               // don't need any styles
       MathJax.Hub.Startup.MenuZoom = function () {};  // don't load menu or zoom code
+      MathJax.Extension.MathEvents = {
+        Event:{}, Touch:{}, Hover:{}                  // fake structure to avid errors
+      };
+      MathJax.Ajax.loaded[MathJax.Ajax.fileURL("[MathJax]/extensions/MathEvents.js")] = true;
 
       //
       //  When creating stylesheets, no need to wait for them
diff --git a/lib/mj-single.js b/lib/mj-single.js
index ef949ce3..87293420 100644
--- a/lib/mj-single.js
+++ b/lib/mj-single.js
@@ -159,6 +159,10 @@ function ConfigureMathJax() {
 
       delete MathJax.Hub.config.styles;               // don't need any styles
       MathJax.Hub.Startup.MenuZoom = function () {};  // don't load menu or zoom code
+      MathJax.Extension.MathEvents = {
+        Event:{}, Touch:{}, Hover:{}                  // fake structure to avid errors
+      };
+      MathJax.Ajax.loaded[MathJax.Ajax.fileURL("[MathJax]/extensions/MathEvents.js")] = true;
       
       //
       //  When creating stylesheets, no need to wait for them