diff --git a/src/db/Model.ts b/src/db/Model.ts
index 232a616..70dc4f0 100644
--- a/src/db/Model.ts
+++ b/src/db/Model.ts
@@ -87,7 +87,7 @@ export default abstract class Model {
      * Override this to automatically fill obvious missing data i.e. from relation or default value that are fetched
      * asynchronously.
      */
-    public async autoFill(): Promise<void> {
+    protected async autoFill(): Promise<void> {
     }
 
     protected async beforeSave(exists: boolean, connection: Connection): Promise<void> {