diff --git a/utils/he_ipv6/tunnelbroker.py b/utils/he_ipv6/tunnelbroker.py
index dc36361..e3a4971 100644
--- a/utils/he_ipv6/tunnelbroker.py
+++ b/utils/he_ipv6/tunnelbroker.py
@@ -113,7 +113,8 @@ class TunnelBroker(object):
                       family = socket.AF_INET6)
             logger.debug('Added default route for link {0}.'.format(self.iface_name))
         except Exception as e:
-            logger.error(('Could not add default IPv6 route on link {0}: {1}').format(self.iface_name, e))
+            logger.error(('Could not add default IPv6 route on link {0} with '
+                          'gateway {1}: {2}').format(self.iface_name, self.tun.server.str, e))
             ipr.close()
             raise e
         for assignment in self.tun.assignments: