diff --git a/services/web/modules/admin-tools/app/src/UserListController.mjs b/services/web/modules/admin-tools/app/src/UserListController.mjs
index b3534b97d8..0805d3480b 100644
--- a/services/web/modules/admin-tools/app/src/UserListController.mjs
+++ b/services/web/modules/admin-tools/app/src/UserListController.mjs
@@ -25,7 +25,8 @@ import { db } from '../../../../app/src/infrastructure/mongodb.mjs'
 
 const __dirname = Path.dirname(fileURLToPath(import.meta.url))
 
-const externalAuth = process.env.EXTERNAL_AUTH ? process.env.EXTERNAL_AUTH.split(' ') : []
+const externalAuth = process.env.EXTERNAL_AUTH ?
+                     process.env.EXTERNAL_AUTH.split(/\s+/).filter(m => m && m !== 'none') : []
 const availableAuthMethods = ['local', ...externalAuth]
 
 const userIsAdminUpdatedOnLogin = Object.fromEntries(