diff --git a/app/doorboy-proxy.py b/app/doorboy-proxy.py
index fc1bac5..f848fdb 100755
--- a/app/doorboy-proxy.py
+++ b/app/doorboy-proxy.py
@@ -16,8 +16,7 @@ DOORBOY_SECRET_WORKSHOP = os.environ["DOORBOY_SECRET_WORKSHOP"]
 CARD_URI = os.environ["CARD_URI"]
 FLOOR_ACCESS_GROUP = os.environ["FLOOR_ACCESS_GROUP"]
 WORKSHOP_ACCESS_GROUP = os.environ["WORKSHOP_ACCESS_GROUP"]
-MONGO_URI = os.getenv("MONGO_URI",
-                      "mongodb://127.0.0.1:27017/default?replicaSet=rs0")
+MONGO_URI = os.environ["MONGO_URI"]
 
 assert len(DOORBOY_SECRET_FLOOR) >= 10
 assert len(DOORBOY_SECRET_WORKSHOP) >= 10