diff --git a/specification/botservice/resource-manager/Microsoft.BotService/stable/2020-06-02/botservice.json b/specification/botservice/resource-manager/Microsoft.BotService/stable/2020-06-02/botservice.json
index c5efb45ca635..a59a048ea916 100644
--- a/specification/botservice/resource-manager/Microsoft.BotService/stable/2020-06-02/botservice.json
+++ b/specification/botservice/resource-manager/Microsoft.BotService/stable/2020-06-02/botservice.json
@@ -762,6 +762,12 @@
             "schema": {
               "$ref": "#/definitions/OperationEntityListResult"
             }
+          },
+          "default": {
+            "description": "Error response describing why the operation failed",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
           }
         },
         "deprecated": false,