diff --git a/heat_templates/example_cluster.yml b/heat_templates/example_cluster.yml
index cebcda6..c39b555 100644
--- a/heat_templates/example_cluster.yml
+++ b/heat_templates/example_cluster.yml
@@ -48,7 +48,7 @@ resources:
   internal_router:
     type: OS::Neutron::Router
     properties:
-        external_gateway_info: { get_param: public_net }
+        external_gateway_info: { network: public_net }
 
   internal_interface:
     type: OS::Neutron::RouterInterface