diff --git a/packages/plugins/src/model.ts b/packages/plugins/src/model.ts
index af262f981616..8259e20f0f07 100644
--- a/packages/plugins/src/model.ts
+++ b/packages/plugins/src/model.ts
@@ -23,7 +23,7 @@ export default (api: IApi) => {
 
   api.onGenerateFiles(async () => {
     const models = await getAllModels(api);
-    if (api.userConfig.model.sort) {
+    if (api.userConfig.model?.sort) {
       models.sort(api.userConfig.model.sort);
     }