diff --git a/README.md b/README.md
index 19a008b..43492c8 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ def request(action, **params):
 
 def invoke(action, **params):
     requestJson = json.dumps(request(action, **params)).encode('utf-8')
-    response = json.load(urllib.request.urlopen(urllib.request.Request('http://localhost:8765', requestJson)))
+    response = json.load(urllib.request.urlopen(urllib.request.Request('http://127.0.0.1:8765', requestJson)))
     if len(response) != 2:
         raise Exception('response has an unexpected number of fields')
     if 'error' not in response: