diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index c59c468c94..81f452c542 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -13625,7 +13625,6 @@ components:
       type: object
       description: |
         Object containing basic details about the stream.
-      additionalProperties: false
       properties:
         stream_id:
           type: integer