diff --git a/README.rst b/README.rst
index 3438c74..100b0e7 100644
--- a/README.rst
+++ b/README.rst
@@ -58,7 +58,6 @@ Example:
     omero.web.signup.admin.user=root
     omero.web.signup.group.name=testgroup-%Y-%m
     omero.web.signup.group.templatetime=true
-    omero.web.signup.host=localhost
 
 
 Restart OMERO.web in the usual way.
diff --git a/omero_signup/views.py b/omero_signup/views.py
index 7fc8f81..5a09035 100644
--- a/omero_signup/views.py
+++ b/omero_signup/views.py
@@ -11,7 +11,7 @@
 from django.http import HttpResponseRedirect
 from django.utils.encoding import smart_str
 from django.views.generic import View
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.shortcuts import render
 
 import omero