diff --git a/django/contatti_app/admin.py b/django/contatti_app/admin.py
index f63d03c..9d6161c 100644
--- a/django/contatti_app/admin.py
+++ b/django/contatti_app/admin.py
@@ -13,7 +13,7 @@ from django.core.paginator import Paginator
 from django.db.models import F
 
 from . import models
-from .drilldown_autocomplete import DrillDownAutocomplete
+from .drilldown_autocomplete import DrillDownAutocompleteAdmin
 
 # Modified version of a GIST I found in a SO thread
 # cfr. http://masnun.rocks/2017/03/20/django-admin-expensive-count-all-queries/
@@ -167,8 +167,8 @@ ddaf={
         }
     }
 
-class RecapitoInline(StackedPolymorphicInline, DrillDownAutocomplete):
-    class IndirizzoInline(StackedPolymorphicInline.Child, DrillDownAutocomplete):
+class RecapitoInline(StackedPolymorphicInline, DrillDownAutocompleteAdmin):
+    class IndirizzoInline(StackedPolymorphicInline.Child, DrillDownAutocompleteAdmin):
         model = models.Indirizzo
         autocomplete_fields = ('dug','comune','cap','nazione',)
         drilldown_autocomplete_fields = ddaf
@@ -284,7 +284,7 @@ class SoggettoContattabileAdmin(PolymorphicParentModelAdmin):
 
 
 @admin.register(models.Indirizzo)
-class IndirizzoAdmin(HiddenModel, DrillDownAutocomplete, RicercaOrdinataMixin, AjaxAutocompleteListFilterModelAdmin, PolymorphicChildModelAdmin, AutocompleteAdmin):
+class IndirizzoAdmin(HiddenModel, DrillDownAutocompleteAdmin, RicercaOrdinataMixin, AjaxAutocompleteListFilterModelAdmin, PolymorphicChildModelAdmin, AutocompleteAdmin):
     # resource = resources.IndirizzoResource
     # list_per_page = 15
     # paginator = CachingPaginator
diff --git a/django/contatti_app/drilldown_autocomplete.py b/django/contatti_app/drilldown_autocomplete.py
index 2bcd87d..919f030 100644
--- a/django/contatti_app/drilldown_autocomplete.py
+++ b/django/contatti_app/drilldown_autocomplete.py
@@ -105,7 +105,7 @@ class DrillDownAutocompleteSelect(AutocompleteSelect, DrillDownAutocompleteMixin
     pass
 
 
-class DrillDownAutocomplete(admin.options.BaseModelAdmin):
+class DrillDownAutocompleteAdmin(admin.options.BaseModelAdmin):
     drilldown_autocomplete_fields = dict()
 
     class Media: