diff --git a/src/gridstack.js b/src/gridstack.js
index 9b7aaa7..afd7843 100644
--- a/src/gridstack.js
+++ b/src/gridstack.js
@@ -8,6 +8,11 @@
         define(['jquery', 'lodash', 'jquery-ui/core', 'jquery-ui/widget', 'jquery-ui/mouse', 'jquery-ui/draggable',
             'jquery-ui/resizable'], factory);
     }
+    else if (typeof exports !== 'undefined') {
+      try { jQuery = require('jquery'); } catch(e) {}
+      try { _ = require('lodash'); } catch(e) {}
+      factory(jQuery, _);
+    }
     else {
         factory(jQuery, _);
     }