diff --git a/muk_dbfilter/patch/http.py b/muk_dbfilter/patch/http.py
index 243f68a..fdd89c5 100644
--- a/muk_dbfilter/patch/http.py
+++ b/muk_dbfilter/patch/http.py
@@ -1,35 +1,36 @@
-###################################################################################
-#
-# Copyright (C) 2018 MuK IT GmbH
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program. If not, see .
-#
-###################################################################################
-
-import random
-import logging
-
-from odoo import http, tools
-from odoo.http import request
-
-from odoo.addons.muk_utils.tools.patch import monkey_patch
-
-_logger = logging.getLogger(__name__)
-
-@monkey_patch(http)
-def db_filter(dbs, httprequest=None):
- httprequest = httprequest or request.httprequest
- dbs = db_filter.super(dbs, httprequest=httprequest)
- filter = httprequest.environ.get('HTTP_X_ODOO_DBFILTER')
+###################################################################################
+#
+# Copyright (C) 2018 MuK IT GmbH
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see .
+#
+###################################################################################
+
+import random
+import re
+import logging
+
+from odoo import http, tools
+from odoo.http import request
+
+from odoo.addons.muk_utils.tools.patch import monkey_patch
+
+_logger = logging.getLogger(__name__)
+
+@monkey_patch(http)
+def db_filter(dbs, httprequest=None):
+ httprequest = httprequest or request.httprequest
+ dbs = db_filter.super(dbs, httprequest=httprequest)
+ filter = httprequest.environ.get('HTTP_X_ODOO_DBFILTER')
return [db for db in dbs if re.match(filter, db)] if filter else dbs
\ No newline at end of file