diff --git a/packages/builder/src/pages/builder/portal/manage/users/[userId].svelte b/packages/builder/src/pages/builder/portal/manage/users/[userId].svelte
index a77f8a4872..686223ff39 100644
--- a/packages/builder/src/pages/builder/portal/manage/users/[userId].svelte
+++ b/packages/builder/src/pages/builder/portal/manage/users/[userId].svelte
@@ -188,6 +188,9 @@
   async function fetchUser(userId) {
     let userPromise = users.get(userId)
     user = await userPromise
+    if (!user?._id) {
+      $goto("./")
+    }
   }
 
   async function toggleFlags(detail) {