diff --git a/xos/tosca/resources/tag.py b/xos/tosca/resources/tag.py
index 76d41cd..001cba8 100644
--- a/xos/tosca/resources/tag.py
+++ b/xos/tosca/resources/tag.py
@@ -6,7 +6,7 @@
 from translator.toscalib.tosca_template import ToscaTemplate
 from django.contrib.contenttypes.models import ContentType
 
-from core.models import Tag
+from core.models import Tag, Service
 
 from xosresource import XOSResource
 
@@ -29,6 +29,10 @@
             args["content_type"] = ContentType.objects.get_for_model(target_model)
             args["object_id"] = target_model.id
 
+        service_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception)
+        if service_name:
+            args["service"] = self.get_xos_object(Service, name=service_name)
+
         # To uniquely identify a Tag, we must know the object that it is attached
         # to as well as the name of the Tag.