diff --git a/model_service/schemas/default_schema.py b/model_service/schemas/default_schema.py
index 827fef6..09277d1 100644
--- a/model_service/schemas/default_schema.py
+++ b/model_service/schemas/default_schema.py
@@ -1,9 +1,7 @@
 #!/usr/bin/env python3
 from marshmallow import fields
 from marshmallow_sqlalchemy import ModelSchema
-from model import Default
 
 
 class DefaultSchema(ModelSchema):
-    class Meta:
-        model = Default
+    id = fields.UUID()
diff --git a/model_service/views/model_view.py b/model_service/views/model_view.py
index a8ba4c7..1e63a7f 100644
--- a/model_service/views/model_view.py
+++ b/model_service/views/model_view.py
@@ -5,6 +5,7 @@ from flask_classful import FlaskView, route
 from model import db, Default, AIModel
 from minio.error import BucketAlreadyExists, BucketAlreadyOwnedByYou, ResponseError, NoSuchKey
 from schemas import AIModelSchema, DefaultSchema
+from marshmallow.exceptions import ValidationError
 from utils import json_required, storage
 
 
@@ -56,4 +57,17 @@ class ModelView(FlaskView):
     @json_required
     @route('$default', methods=['PUT'])
     def put_default(self):
-        return jsonify({})
+
+        try:
+            req = self.default_schema.load(request.json())
+        except ValidationError as e:
+            abort(404, str(e))
+
+        m = AIModel.query.fiter_by(id=req['id']).first_or_404()
+
+        Default.query.delete()
+        new_default = Default(m)
+        db.session.add(new_default)
+        db.session.commit()
+
+        return jsonify(self.aimodel_schema.dump(m))