diff --git a/public/openapi/write/posts/pid/diffs.yaml b/public/openapi/write/posts/pid/diffs.yaml
index 524167bc6f..2d60361dc8 100644
--- a/public/openapi/write/posts/pid/diffs.yaml
+++ b/public/openapi/write/posts/pid/diffs.yaml
@@ -38,7 +38,7 @@ get:
                         username:
                           type: string
                         uid:
-                          type: string
+                          type: number
                   editable:
                     type: boolean
                   deletable: