diff --git a/public/openapi/read/topic/topic_id.yaml b/public/openapi/read/topic/topic_id.yaml
index 9a9c630b8a..4712710ccf 100644
--- a/public/openapi/read/topic/topic_id.yaml
+++ b/public/openapi/read/topic/topic_id.yaml
@@ -393,6 +393,8 @@ get:
                     type: boolean
                   privateUploads:
                     type: boolean
+                  showPostPreviewsOnHover:
+                    type: boolean
                   rssFeedUrl:
                     type: string
                   postIndex: