diff --git a/rdmo/projects/serializers/v1/__init__.py b/rdmo/projects/serializers/v1/__init__.py
index 86b3039391..bd0f1673db 100644
--- a/rdmo/projects/serializers/v1/__init__.py
+++ b/rdmo/projects/serializers/v1/__init__.py
@@ -4,6 +4,7 @@
 
 from rest_framework import serializers
 
+from rdmo.domain.models import Attribute
 from rdmo.questions.models import Catalog
 from rdmo.services.validators import ProviderValidator
 
@@ -353,6 +354,8 @@ class Meta:
 
 class ValueSerializer(serializers.ModelSerializer):
 
+    attribute = serializers.PrimaryKeyRelatedField(queryset=Attribute.objects.all(), required=True)
+
     class Meta:
         model = Value
         fields = (
diff --git a/rdmo/projects/tests/test_viewset_project_value.py b/rdmo/projects/tests/test_viewset_project_value.py
index b9e5b8d86d..81a28bd0dc 100644
--- a/rdmo/projects/tests/test_viewset_project_value.py
+++ b/rdmo/projects/tests/test_viewset_project_value.py
@@ -1,3 +1,4 @@
+import json
 from pathlib import Path
 
 import pytest
@@ -30,7 +31,7 @@
     'site': [1, 2, 3, 4, 5, 12]
 }
 
-add_value_permission_map = change_value_permission_map = delete_value_permission_map = {
+add_value_permission_map = change_value_permission_map = delete_value_permission_map = copy_value_permission_map = {
     'owner': [1, 2, 3, 4, 5, 12],
     'manager': [1, 3, 5],
     'author': [1, 3, 5],
@@ -65,7 +66,6 @@
 ]
 set_questionsets = [42, 43]
 
-
 @pytest.mark.parametrize('username,password', users)
 @pytest.mark.parametrize('project_id', projects)
 def test_list(db, client, username, password, project_id):
@@ -237,10 +237,50 @@ def test_delete(db, client, username, password, value_id):
         assert Value.objects.filter(pk=value_id).exists()
 
 
+@pytest.mark.parametrize('username,password', users)
+@pytest.mark.parametrize('value_id, set_values_count', set_values)
+def test_copy_set(db, client, username, password, value_id, set_values_count):
+    client.login(username=username, password=password)
+    set_value = Value.objects.get(id=value_id)
+    values_count = Value.objects.count()
+
+    url = reverse(urlnames['set'], args=[set_value.project_id, value_id])
+    data = {
+        'attribute': set_value.attribute.id,
+        'set_prefix': set_value.set_prefix,
+        'set_index': 2,
+        'text': 'new'
+    }
+    response = client.post(url, data=json.dumps(data), content_type="application/json")
+
+    if set_value.project_id in copy_value_permission_map.get(username, []):
+        assert response.status_code == 201
+        assert len(response.json()) == set_values_count + 1
+        assert Value.objects.get(
+            project=set_value.project_id,
+            snapshot=None,
+            **data
+        )
+        assert Value.objects.count() == values_count + set_values_count + 1  # one is for set/id
+        for value_data in response.json():
+            if value_data['set_prefix'] == data['set_prefix']:
+                assert value_data['set_index'] == data['set_index']
+            else:
+                set_prefix_split = value_data['set_prefix'].split('|')
+                assert set_prefix_split[0] == str(data['set_index'])
+
+    elif set_value.project_id in view_value_permission_map.get(username, []):
+        assert response.status_code == 403
+        assert Value.objects.count() == values_count
+    else:
+        assert response.status_code == 404
+        assert Value.objects.count() == values_count
+
+
 @pytest.mark.parametrize('username,password', users)
 @pytest.mark.parametrize('project_id', projects)
 @pytest.mark.parametrize('value_id, set_values_count', set_values)
-def test_set(db, client, username, password, project_id, value_id, set_values_count):
+def test_delete_set(db, client, username, password, project_id, value_id, set_values_count):
     client.login(username=username, password=password)
     value_exists = Value.objects.filter(project_id=project_id, snapshot=None, id=value_id).exists()
     values_count = Value.objects.count()
diff --git a/rdmo/projects/viewsets.py b/rdmo/projects/viewsets.py
index d9a8ed5a86..f8c9a898fa 100644
--- a/rdmo/projects/viewsets.py
+++ b/rdmo/projects/viewsets.py
@@ -395,7 +395,10 @@ def copy_set(self, request, parent_lookup_project, pk=None):
 
         # de-serialize the posted new set value and save it, use the ValueSerializer
         # instead of ProjectValueSerializer, since the latter does not include project
-        set_value_serializer = ValueSerializer(data=request.data)
+        set_value_serializer = ValueSerializer(data={
+            'project': parent_lookup_project,
+            **request.data
+        })
         set_value_serializer.is_valid(raise_exception=True)
         set_value = set_value_serializer.save()
         set_value_data = set_value_serializer.data