diff --git a/marietje/queues/templates/queues/queue.html b/marietje/queues/templates/queues/queue.html
index ce41525..bc49f12 100644
--- a/marietje/queues/templates/queues/queue.html
+++ b/marietje/queues/templates/queues/queue.html
@@ -544,7 +544,8 @@
                             "Content-Type": 'application/json',
                         },
                     }).then(response => {
-                        if (response.status === 200) {
+                        // TODO: Communicate failure through HTTP error codes (403) instead of checking response.success.
+                        if (response.status === 200 && response.success) {
                             return response.json();
                         } else {
                             throw response;