diff --git a/knowledge/interfaces.py b/knowledge/interfaces.py
index 51ba0e4..6c3b373 100644
--- a/knowledge/interfaces.py
+++ b/knowledge/interfaces.py
@@ -29,7 +29,7 @@ from zope.security.proxy import removeSecurityProxy
 
 from cybertools.knowledge.interfaces import IKnowing, IRequirementProfile
 from cybertools.knowledge.interfaces import IKnowledgeElement
-from loops.interfaces import IConceptSchema
+from loops.interfaces import IConceptSchema, ILoopsAdapter
 from loops.organize.interfaces import IPerson as IBasePerson
 from loops.organize.interfaces import ITask as IBaseTask
 
@@ -38,17 +38,17 @@ _ = MessageFactory('zope')
 # TODO: separate interfaces for viewing and changing methods!
 
 
-class IPerson(IBasePerson, IKnowing):
+class IPerson(IBasePerson, IKnowing, ILoopsAdapter):
     """ A person, including knowledge/learning management features.
     """
 
 
-class ITask(IBaseTask, IRequirementProfile):
+class ITask(IBaseTask, IRequirementProfile, ILoopsAdapter):
     """ A task, also acting as a knowledge requirement profile.
     """
 
 
-class ITopic(IConceptSchema, IKnowledgeElement):
+class ITopic(IConceptSchema, IKnowledgeElement, ILoopsAdapter):
     """ Just a topic, some general classification concept.
     """
 
diff --git a/query.py b/query.py
index 487c1d0..1c0ddce 100644
--- a/query.py
+++ b/query.py
@@ -32,7 +32,7 @@ from zope.cachedescriptors.property import Lazy
 
 from cybertools.typology.interfaces import IType
 from loops.common import AdapterBase
-from loops.interfaces import IConcept, IConceptSchema
+from loops.interfaces import IConcept, IConceptSchema, ILoopsAdapter
 from loops.security.common import canListObject
 from loops.type import TypeInterfaceSourceList
 from loops.versioning.util import getVersion
@@ -182,7 +182,7 @@ class ConceptQuery(BaseQuery):
 
 # QueryConcept: concept objects that allow querying the database.
 
-class IQueryConcept(IConceptSchema):
+class IQueryConcept(IConceptSchema, ILoopsAdapter):
     """ The schema for the query type.
     """