diff -r 9f1ca1ad2a12 -r 9885b9c88b2e src/pyams_thesaurus/loader/__init__.py
--- a/src/pyams_thesaurus/loader/__init__.py	Tue Oct 11 16:15:05 2016 +0200
+++ b/src/pyams_thesaurus/loader/__init__.py	Tue Nov 15 10:41:35 2016 +0100
@@ -22,7 +22,6 @@
     IThesaurusExporter
 from pyams_thesaurus.interfaces.term import IThesaurusLoaderTerm
 from pyams_thesaurus.interfaces.thesaurus import IThesaurusDescription
-from zope.schema.interfaces import IVocabularyFactory
 
 # import packages
 from BTrees.OOBTree import OOBTree
@@ -30,10 +29,10 @@
 from pyams_thesaurus.thesaurus import ThesaurusTermsContainer, Thesaurus
 from pyams_utils.request import query_request
 from pyams_utils.unicode import translate_string
+from pyams_utils.vocabulary import vocabulary_config
 from zope.componentvocabulary.vocabulary import UtilityVocabulary
-from zope.interface import implementer, provider, alsoProvides, noLongerProvides
+from zope.interface import implementer, alsoProvides, noLongerProvides
 from zope.schema.fieldproperty import FieldProperty
-from zope.schema.vocabulary import getVocabularyRegistry
 
 
 #
@@ -172,15 +171,13 @@
         return Thesaurus(description=description, terms=store)
 
 
-@provider(IVocabularyFactory)
+@vocabulary_config(name='PyAMS thesaurus loaders')
 class ThesaurusLoadersVocabulary(UtilityVocabulary):
     """Thesaurus loaders vocabulary"""
 
     interface = IThesaurusLoader
     nameOnly = True
 
-getVocabularyRegistry().register('PyAMS thesaurus loaders', ThesaurusLoadersVocabulary)
-
 
 #
 # Thesaurus exporters classes
@@ -229,11 +226,9 @@
         return output
 
 
-@provider(IVocabularyFactory)
+@vocabulary_config(name='PyAMS thesaurus exporters')
 class ThesaurusExportersVocabulary(UtilityVocabulary):
     """Thesaurus exporters vocabulary"""
 
     interface = IThesaurusExporter
     nameOnly = True
-
-getVocabularyRegistry().register('PyAMS thesaurus exporters', ThesaurusExportersVocabulary)