diff --git a/ui-v2/app/controllers/dc/services/instance.js b/ui-v2/app/controllers/dc/services/instance.js
index 37847bb51..dcde2743a 100644
--- a/ui-v2/app/controllers/dc/services/instance.js
+++ b/ui-v2/app/controllers/dc/services/instance.js
@@ -22,6 +22,10 @@ export default Controller.extend(WithEventSource, {
           type: 'warning',
           action: 'update',
         });
+        const proxy = get(this, 'proxy');
+        if (proxy) {
+          proxy.close();
+        }
       }
     }
   }),
diff --git a/ui-v2/tests/acceptance/dc/services/instances/show.feature b/ui-v2/tests/acceptance/dc/services/instances/show.feature
index 8547bf661..d03d59f68 100644
--- a/ui-v2/tests/acceptance/dc/services/instances/show.feature
+++ b/ui-v2/tests/acceptance/dc/services/instances/show.feature
@@ -82,4 +82,7 @@ Feature: dc / services / instances / show: Show Service Instance
     Then the url should be /dc1/services/service-0/service-0-with-id
     And an external edit results in 0 instance models
     And pause until I see the text "deregistered" in "[data-notification]"
+  @ignore
+    Scenario: A Service Instance's proxy blocking query is closed when the instance is deregistered
+    Then ok