diff --git a/app/components/editable_champ/communes_component.rb b/app/components/editable_champ/communes_component.rb
index cc5bfee0b..80fbb70e9 100644
--- a/app/components/editable_champ/communes_component.rb
+++ b/app/components/editable_champ/communes_component.rb
@@ -1,3 +1,7 @@
 class EditableChamp::CommunesComponent < EditableChamp::EditableChampBaseComponent
   include ApplicationHelper
+
+  def dsfr_input_classname
+    'fr-select'
+  end
 end