diff --git a/paths/pins/pins.yaml b/paths/pins/pins.yaml
index bcbfbb45..5b7dfbfb 100644
--- a/paths/pins/pins.yaml
+++ b/paths/pins/pins.yaml
@@ -96,7 +96,7 @@ post:
                 type: string
                 format: nullable
               newRegistration:
-                type: boolean
+                type: [boolean, "null"]
     "400":
       description: X-Plex-Client-Identifier is missing
       content: