diff --git a/hosts/grafana/default.nix b/hosts/grafana/default.nix
index 0c8ccf26..c87fea99 100644
--- a/hosts/grafana/default.nix
+++ b/hosts/grafana/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, pkgs, ... }:
 
 {
   microvm.mem = 4096;
@@ -57,6 +57,7 @@
           disable_login_form = true; # only allow OAuth
           icon = "signin";
           name = "auth.c3d2.de";
+          oauth_allow_insecure_email_lookup = true;
           oauth_auto_login = true; # redirect automatically to the only oauth provider
           role_attribute_path = "contains(groups[*], 'grafana-admins') && 'Admin'";
           # https://dexidp.io/docs/custom-scopes-claims-clients/