diff --git a/trytond/protocols/webdav.py b/trytond/protocols/webdav.py
index ce6cd25483..9930f54697 100644
--- a/trytond/protocols/webdav.py
+++ b/trytond/protocols/webdav.py
@@ -59,6 +59,15 @@ if not hasattr(WebDAVServer.DAVRequestHandler, '_config'):
         lockemulation = False
         verbose = False
 
+        def getboolean(self, name):
+            return bool(self.get(name))
+
+        def get(self, name, default=None):
+            try:
+                return self[name]
+            except:
+                return default
+
 
     class _Config:
         DAV = DAV()