diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Collection.js b/web/gui/src/main/webapp/app/view/topo2/topo2Collection.js
index 5472f65..ae96acb 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2Collection.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Collection.js
@@ -43,6 +43,12 @@
     Collection.prototype = {
         model: Model,
         addModel: function (data) {
+            if (Object.getPrototypeOf(data) !== Object.prototype) {
+                this.models.push(data);
+                this._byId[data.get('id')] = data;
+                return data;
+            }
+
             var CollectionModel = this.model;
             var model = new CollectionModel(data, this);
 
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2Layout.js b/web/gui/src/main/webapp/app/view/topo2/topo2Layout.js
index 473bd3a..156d67a 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2Layout.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2Layout.js
@@ -208,6 +208,7 @@
                     _update: function () {
                         this.updateNodes();
                         this.updateLinks();
+                        this.force.start();
                     },
                     updateNodes: function () {
                         var regionNodes = t2rs.regionNodes();
@@ -235,6 +236,8 @@
                         entering.filter('.sub-region').each(t2d3.nodeEnter);
                         entering.filter('.host').each(t2d3.nodeEnter);
                         entering.filter('.peer-region').each(t2d3.nodeEnter);
+
+                        this.force.nodes(regionNodes);
                     },
                     updateLinks: function () {
 
@@ -269,6 +272,8 @@
                             })
                             .style('opacity', 0.0)
                             .remove();
+
+                        this.force.links(regionLinks);
                     },
                     calcPosition: function () {
                         var lines = this;