diff --git a/schemas/api/envelope.json b/schemas/api/envelope.json
index 11846c1..a3b64e5 100644
--- a/schemas/api/envelope.json
+++ b/schemas/api/envelope.json
@@ -30,7 +30,8 @@
                         "AUTH",
                         "NOT_FOUND",
                         "RATE_LIMIT",
-                        "SERVER"
+                        "SERVER",
+                        "NETWORK_DISCONNECTED"
                     ]
                 },
                 "msg": {