diff --git a/trytond/protocols/webdav.py b/trytond/protocols/webdav.py
index 0af1eea15e..8db6e5e01d 100644
--- a/trytond/protocols/webdav.py
+++ b/trytond/protocols/webdav.py
@@ -157,7 +157,7 @@ class TrytonDAVInterface(iface.dav_interface):
     @staticmethod
     def get_dburi(uri):
         uri = urlparse.urlsplit(uri)[2]
-        if uri[0] == '/':
+        if uri and uri[0] == '/':
             uri = uri[1:]
         dbname, uri = (uri.split('/', 1) + [None])[0:2]
         if dbname: