diff --git a/pymako/catalog.py b/pymako/catalog.py
index 694bfb3..32b8dd7 100644
--- a/pymako/catalog.py
+++ b/pymako/catalog.py
@@ -7,5 +7,5 @@
 
 class Catalog(Client):
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, consul_url, api_version="v1"):
+        super().__init__(consul_url, api_version)