diff --git a/gestioncof/petits_cours_views.py b/gestioncof/petits_cours_views.py
index ca0b55af..3fa0dc57 100644
--- a/gestioncof/petits_cours_views.py
+++ b/gestioncof/petits_cours_views.py
@@ -35,6 +35,11 @@ class DemandeListView(ListView):
 
 class DemandeDetailView(DetailView):
     model = PetitCoursDemande
+    queryset = (
+        PetitCoursDemande.objects
+        .prefetch_related('petitcoursattribution_set',
+                          'matieres')
+    )
     template_name = "gestioncof/details_demande_petit_cours.html"
     context_object_name = "demande"