diff --git a/webroot/monitor/infrastructure/controlnode/ui/js/views/ControlNodeRoutesFormView.js b/webroot/monitor/infrastructure/controlnode/ui/js/views/ControlNodeRoutesFormView.js
index a379f445e..21cfed79a 100644
--- a/webroot/monitor/infrastructure/controlnode/ui/js/views/ControlNodeRoutesFormView.js
+++ b/webroot/monitor/infrastructure/controlnode/ui/js/views/ControlNodeRoutesFormView.js
@@ -130,6 +130,7 @@ define([
                                         class: "span6",
                                         elementConfig: {
                                             defaultValueId: 0,
+                                            dropdownAutoWidth : false,
                                             dataTextField:'text',
                                             dataValueField:'value',
                                             data: routingInstancesDropdownList
diff --git a/webroot/monitor/infrastructure/vrouter/ui/js/views/VRouterRoutesFormView.js b/webroot/monitor/infrastructure/vrouter/ui/js/views/VRouterRoutesFormView.js
index f9c88c0a5..85bd3b028 100644
--- a/webroot/monitor/infrastructure/vrouter/ui/js/views/VRouterRoutesFormView.js
+++ b/webroot/monitor/infrastructure/vrouter/ui/js/views/VRouterRoutesFormView.js
@@ -225,6 +225,7 @@ define([
                                         dataBindValue:'vrf_name',
                                         elementConfig: {
                                             defaultValueId: 0,
+                                            dropdownAutoWidth : false,
                                             dataSource: {
                                                 type:'remote',
                                                 url: contrail.format(