diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index fdc985b..21f25f4 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -1708,7 +1708,7 @@ def apply_categorisation_rules(request):
             nb = 0
             for epk, c in form.get_validated():
                 e = Event.objects.get(pk=epk)
-                cat = Category.objects.get(name=c)
+                cat = Category.objects.filter(name=c).first()
                 e.category = cat
                 e.save()
                 nb += 1