diff --git a/addons/document_webdav/webdav_server.py b/addons/document_webdav/webdav_server.py
index 80b8b6bb898..59ce9c4bdb1 100644
--- a/addons/document_webdav/webdav_server.py
+++ b/addons/document_webdav/webdav_server.py
@@ -43,9 +43,13 @@ def OpenDAVConfig(**kw):
         def __init__(self, **kw):
             self.__dict__.update(**kw)
 
+        def getboolean(self, name):
+            return (str(getattr(self, name, 0)) in ('1', "yes", "true", "on", "True"))
+
     class Config:
         DAV = OpenDAV(**kw)
 
+
     return Config()