diff --git a/app/public/js/app.js b/app/public/js/app.js
index afef539e..39a1e86d 100755
--- a/app/public/js/app.js
+++ b/app/public/js/app.js
@@ -121,9 +121,9 @@ app.run(function(
 
     });
 
-    // disable cmd (ctrl) + click to open a new tab/page
+    // disable cmd (ctrl) + click and middle mouse click to open a new tab/page
     document.addEventListener('click', function(e) {
-        if ( e.metaKey ) {
+        if ( e.metaKey || e.which === 2) {
             e.preventDefault();
         }
     }, false);