diff --git a/controllers/nginx/nginx.tmpl b/controllers/nginx/nginx.tmpl
index e72eb4f6f..ca7718370 100644
--- a/controllers/nginx/nginx.tmpl
+++ b/controllers/nginx/nginx.tmpl
@@ -225,6 +225,7 @@ http {
             auth_digest "{{ $location.Auth.Realm }}";
             auth_digest_user_file {{ $location.Auth.File }};
             {{ end }}
+            proxy_set_header Authorization "";
             {{- end }}
 
             proxy_set_header Host                   $host;