diff --git a/gnocchiclient/v1/base.py b/gnocchiclient/v1/base.py
index 2e863d9..398b30b 100644
--- a/gnocchiclient/v1/base.py
+++ b/gnocchiclient/v1/base.py
@@ -18,7 +18,7 @@
 
 class Manager(object):
     DEFAULT_HEADERS = {
-        "Accept": "application/json, */*",
+        "Accept": "application/json",
     }
 
     def __init__(self, client):