diff --git a/src/Lidarr.Api.V1/openapi.json b/src/Lidarr.Api.V1/openapi.json
index fc9b166a3..767ae2b7b 100644
--- a/src/Lidarr.Api.V1/openapi.json
+++ b/src/Lidarr.Api.V1/openapi.json
@@ -11437,6 +11437,11 @@
             "type": "number",
             "format": "double",
             "nullable": true
+          },
+          "preferredSize": {
+            "type": "number",
+            "format": "double",
+            "nullable": true
           }
         },
         "additionalProperties": false