diff --git a/capsulflask/auth.py b/capsulflask/auth.py
index 7bcdb1a..f3731a2 100644
--- a/capsulflask/auth.py
+++ b/capsulflask/auth.py
@@ -38,10 +38,10 @@ def admin_account_required(view):
     @functools.wraps(view)
     def wrapped_view(**kwargs):
         if session.get("account") is None or session.get("csrf-token") is None:
-            return redirect(url_for("auth.login"))
+            return abort(404)
 
         if session.get("account") not in current_app.config["ADMIN_PANEL_ALLOW_EMAIL_ADDRESSES"].split(","):
-            return redirect(url_for("auth.login"))
+            return abort(404)
 
         return view(**kwargs)
 
diff --git a/capsulflask/schema_migrations/16_up_managed_ips.sql b/capsulflask/schema_migrations/16_up_managed_ips.sql
index 968ce16..f8eb80c 100644
--- a/capsulflask/schema_migrations/16_up_managed_ips.sql
+++ b/capsulflask/schema_migrations/16_up_managed_ips.sql
@@ -13,8 +13,8 @@ ALTER TABLE vms RENAME COLUMN last_seen_ipv4 TO public_ipv4;
 ALTER TABLE vms RENAME COLUMN last_seen_ipv6 TO public_ipv6;
 ALTER TABLE vms ADD COLUMN network_name TEXT;
 
-UPDATE vms SET network_name = 'virbr1' WHERE public_ipv6 < '69.61.2.192';
-UPDATE vms SET network_name = 'virbr2' WHERE public_ipv6 >= '69.61.2.192';
+UPDATE vms SET network_name = 'virbr1' WHERE public_ipv4 < '69.61.2.192' OR public_ipv4 is NULL;
+UPDATE vms SET network_name = 'virbr2' WHERE public_ipv4 >= '69.61.2.192';
 
 ALTER TABLE vms ALTER COLUMN network_name SET NOT NULL;