diff --git a/platform/frontend/topics.html b/platform/frontend/topics.html
index 266d0d5..55364db 100644
--- a/platform/frontend/topics.html
+++ b/platform/frontend/topics.html
@@ -189,7 +189,7 @@ const TopicsApp = {
             currentPage: 'topics',
             isLoggedIn: false,
             isAdmin: false,
-            currentUser: { username:  },
+            currentUser: { username: '' },
             loadingTable: false,
             selectedTopicIds: [],
             filterStatus: '',