diff --git a/src/emuvim/examples/simple_topology.py b/src/emuvim/examples/simple_topology.py
index d63a07c..b43ad78 100755
--- a/src/emuvim/examples/simple_topology.py
+++ b/src/emuvim/examples/simple_topology.py
@@ -93,7 +93,7 @@
        this API, e.g., start/stop/list compute instances.
     """
     # create a new instance of a endpoint implementation
-    rapi1 = RestApiEndpoint("127.0.0.1", 5001)
+    rapi1 = RestApiEndpoint("127.0.0.1", 5001, net)
     # connect data centers to this endpoint
     rapi1.connectDatacenter(dc1)
     rapi1.connectDatacenter(dc2)