CMLL
diff --git a/‎README.md
Lines changed: 2 additions & 1 deletion b/‎README.md
Lines changed: 2 additions & 1 deletion
diff --git a/‎dist/gridstack.js
Lines changed: 6 additions & 5 deletions b/‎dist/gridstack.js
Lines changed: 6 additions & 5 deletions
@@ -476,9 +476,10 @@ Changes
 
 #### v0.2.6-dev (Development version)
 
-- update requirements to the latest versions of jQuery and jquery-ui.
+- update requirements to the latest versions of jQuery (v3.1.0+) and jquery-ui (v1.12.0+).
 - fix jQuery `size()` ([#486](https://github.com/troolee/gridstack.js/issues/486)).
 - update _notify to allow detach ([#411](https://github.com/troolee/gridstack.js/issues/411)).
+- fix code that checks for jquery-ui ([#481](https://github.com/troolee/gridstack.js/issues/481)).
 
 #### v0.2.5 (2016-03-02)
 
 
@@ -975,6 +975,9 @@
     };
 
     GridStack.prototype._prepareElementsByNode = function(el, node) {
+        if (typeof $.ui === 'undefined') {
+            return;
+        }
         var self = this;
 
         var cellWidth;
@@ -1160,9 +1163,7 @@
         }, triggerAddEvent);
         el.data('_gridstack_node', node);
 
-        if (!this.opts.staticGrid) {
-            this._prepareElementsByNode(el, node);
-        }
+        this._prepareElementsByNode(el, node);
     };
 
     GridStack.prototype.setAnimation = function(enable) {
@@ -1258,7 +1259,7 @@
         el.each(function(index, el) {
             el = $(el);
             var node = el.data('_gridstack_node');
-            if (self.opts.staticGrid || typeof node == 'undefined' || node === null) {
+            if (typeof node == 'undefined' || node === null || typeof $.ui === 'undefined') {
                 return;
             }
 
@@ -1278,7 +1279,7 @@
         el.each(function(index, el) {
             el = $(el);
             var node = el.data('_gridstack_node');
-            if (self.opts.staticGrid || typeof node == 'undefined' || node === null) {
+            if (typeof node == 'undefined' || node === null || typeof $.ui === 'undefined') {
                 return;
             }