diff --git a/knowledge/qualification/base.py b/knowledge/qualification/base.py
index 32c9910..8a667e2 100644
--- a/knowledge/qualification/base.py
+++ b/knowledge/qualification/base.py
@@ -26,6 +26,7 @@ from zope.component import adapts
 from zope.interface import implementer, implements
 
 from loops.common import AdapterBase
+from loops.interfaces import IConcept
 from loops.knowledge.qualification.interfaces import ICompetence
 from loops.type import TypeInterfaceSourceList
 
diff --git a/knowledge/qualification/configure.zcml b/knowledge/qualification/configure.zcml
index d8cbc74..dea246f 100644
--- a/knowledge/qualification/configure.zcml
+++ b/knowledge/qualification/configure.zcml
@@ -4,7 +4,14 @@
     i18n_domain="loops">
 
   <zope:adapter
-        factory="loops.knowledge.qualification.base.Competence" />
+        factory="loops.knowledge.qualification.base.Competence"
+        trusted="True" />
+  <zope:class class="loops.knowledge.qualification.base.Competence">
+    <require permission="zope.View"
+             interface="loops.knowledge.qualification.interfaces.ICompetence" />
+    <require permission="zope.ManageContent"
+             set_schema="loops.knowledge.qualification.interfaces.ICompetence" />
+  </zope:class>
 
   <!-- views -->
 
diff --git a/knowledge/qualification/interfaces.py b/knowledge/qualification/interfaces.py
index 85a002a..87b3e2d 100644
--- a/knowledge/qualification/interfaces.py
+++ b/knowledge/qualification/interfaces.py
@@ -23,11 +23,11 @@ Interfaces for knowledge management and elearning with loops.
 from zope.interface import Interface, Attribute
 from zope import interface, component, schema
 
-from loops.interfaces import IConceptSchema
+from loops.interfaces import IConceptSchema, ILoopsAdapter
 from loops.util import _
 
 
-class ICompetence(IConceptSchema):
+class ICompetence(ILoopsAdapter):
     """ The competence of a person.
 
         Maybe assigned to the person via a 'knows' relation or
diff --git a/util.py b/util.py
index 74f152b..55096f3 100644
--- a/util.py
+++ b/util.py
@@ -141,4 +141,7 @@ def saveRequest(request):
     local_data.request = request
 
 def getRequest():
-    return local_data.request
+    try:
+        return local_data.request
+    except AttributeError:
+        return None