diff --git a/test_server/crm/serializers.py b/test_server/crm/serializers.py
index 789806d..ff0e668 100644
--- a/test_server/crm/serializers.py
+++ b/test_server/crm/serializers.py
@@ -36,7 +36,7 @@ class ConsumerSerializer(serializers.ModelSerializer):
     subjects_name = serializers.StringRelatedField(source='subjects', many=True, read_only=True)
     workscope_name = serializers.StringRelatedField(source='workscope', read_only=True)
     role_name = serializers.StringRelatedField(source='role', read_only=True)
-    create_admin_ = UserListSerializer(source='create_admin')
+    create_admin_ = UserListSerializer(source='create_admin', read_only=True)
     class Meta:
         model = Consumer
         exclude = ('avatar','collects', 'process')