diff --git a/blueprintcompiler/outputs/xml/__init__.py b/blueprintcompiler/outputs/xml/__init__.py
index a2d81a3..7d450d1 100644
--- a/blueprintcompiler/outputs/xml/__init__.py
+++ b/blueprintcompiler/outputs/xml/__init__.py
@@ -300,7 +300,7 @@ class XmlOutput(OutputFormat):
 
                 xml.start_tag(
                     "setter",
-                    object=setter.object_id,
+                    object=self._object_id(setter, setter.object_id),
                     property=setter.property_name,
                     **attrs,
                 )