diff --git a/bda/views.py b/bda/views.py
index 1c54134e..a104bbb1 100644
--- a/bda/views.py
+++ b/bda/views.py
@@ -905,6 +905,9 @@ class ParticipantAutocomplete(Select2QuerySetView):
     model = Participant
     search_fields = ("user__username", "user__first_name", "user__last_name")
 
+    def get_queryset(self):
+        return super().get_queryset().select_related("user", "tirage")
+
 
 participant_autocomplete = buro_required(ParticipantAutocomplete.as_view())
 
diff --git a/kfet/autocomplete.py b/kfet/autocomplete.py
index 326c2796..cb222585 100644
--- a/kfet/autocomplete.py
+++ b/kfet/autocomplete.py
@@ -18,6 +18,9 @@ class KfetAccountSearch(autocomplete.ModelSearch):
     ]
     verbose_name = _("Comptes existants")
 
+    def get_queryset(self):
+        return super().get_queryset().select_related("profile__account_kfet")
+
     def get_queryset_filter(self, *args, **kwargs):
         qset_filter = super().get_queryset_filter(*args, **kwargs)
         qset_filter &= Q(profile__account_kfet__isnull=False)
diff --git a/shared/autocomplete.py b/shared/autocomplete.py
index a601d5f9..2c85f25d 100644
--- a/shared/autocomplete.py
+++ b/shared/autocomplete.py
@@ -98,7 +98,11 @@ class ModelSearch(SearchUnit):
 
     def __init__(self):
         if self.verbose_name is None:
-            self.verbose_name = "{} search".format(self.model._meta.verbose_name)
+            model = self.get_queryset().model
+            self.verbose_name = "{} search".format(model._meta.verbose_name)
+
+    def get_queryset(self):
+        return self.model.objects.all()
 
     def get_queryset_filter(self, keywords):
         filter_q = Q()
@@ -122,7 +126,7 @@ class ModelSearch(SearchUnit):
         of the search fields.
         """
 
-        return self.model.objects.filter(self.get_queryset_filter(keywords))
+        return self.get_queryset().filter(self.get_queryset_filter(keywords))
 
 
 # ---