diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index 9e33ff2..7c8da7a 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -43,7 +43,8 @@ class URLSubmissionForm(Form):
     category = ModelChoiceField(
         label=_("Category"),
         queryset=Category.objects.all().order_by("name"),
-        empty_label=_("Unknown"),
+        initial=Category.get_default_category(),
+        empty_label=None,
         help_text=_('Optional. If you don''t specify a category, we''ll find it for you.'),
         required=False,
     )