diff --git a/src/backend/core/utils.py b/src/backend/core/utils.py
index 39135b37..77b11dbb 100644
--- a/src/backend/core/utils.py
+++ b/src/backend/core/utils.py
@@ -123,7 +123,11 @@ def generate_token(
         .with_identity(identity)
         .with_name(username or default_username)
         .with_attributes(
-            {"color": color, "room_admin": "true" if is_admin_or_owner else "false"}
+            {
+                "color": color,
+                "room_admin": "true" if is_admin_or_owner else "false",
+                "is_authenticated": "true" if not user.is_anonymous else "false",
+            }
         )
     )