diff --git a/simple_sso/sso_client/client.py b/simple_sso/sso_client/client.py
index c82e688..abd82d1 100644
--- a/simple_sso/sso_client/client.py
+++ b/simple_sso/sso_client/client.py
@@ -22,7 +22,11 @@ def get(self, request):
         path = reverse('simple-sso-authenticate')
         redirect_to = urlunparse((scheme, netloc, path, '', query, ''))
         request_token = self.client.get_request_token(redirect_to)
-        host = urljoin(self.client.server_url, 'authorize/')
+        try:
+            authorize_url = reverse('simple-sso-authorize')
+        except NoReverseMatch:
+            authorize_url = '/authorize/'
+        host = urljoin(self.client.server_url, authorize_url)
         url = '%s?%s' % (host, urlencode([('token', request_token)]))
         return HttpResponseRedirect(url)