diff --git a/web/modules/custom/figli_compta_ledger/figli_compta_ledger.module b/web/modules/custom/figli_compta_ledger/figli_compta_ledger.module
index 092e6f6..b5b7354 100644
--- a/web/modules/custom/figli_compta_ledger/figli_compta_ledger.module
+++ b/web/modules/custom/figli_compta_ledger/figli_compta_ledger.module
@@ -37,6 +37,22 @@ function figli_compta_ledger_form_alter(&$form, FormStateInterface $form_state,
   }
   $form['#validate'][] = 'figli_compta_ledger_validate_repartition';
 
+  // The default date widget renders as a native <input type="date">,
+  // whose displayed digit order (07/26/2024 vs 26/07/2024) follows the
+  // browser's own locale setting -- not anything Drupal or this site's
+  // language controls, so an English-locale browser shows the American
+  // mm/dd/yyyy order no matter what. Switching the date sub-element from
+  // 'date' (native picker) to 'text' with an explicit PHP date format
+  // makes Drupal itself own the display/parsing, so it's the same
+  // jj/mm/aaaa for everyone regardless of browser locale. Trade-off:
+  // loses the native calendar picker (Drupal core ships no JS date-
+  // picker to pair with the text variant) -- acceptable here, dates are
+  // typically typed directly for this kind of data entry.
+  if (isset($form['field_date_ligne']['widget'][0]['value'])) {
+    $form['field_date_ligne']['widget'][0]['value']['#date_date_element'] = 'text';
+    $form['field_date_ligne']['widget'][0]['value']['#date_date_format'] = 'd/m/Y';
+  }
+
   // Every save must create a revision, unconditionally -- there's no
   // legitimate reason to skip it for an accounting record, so don't let
   // anyone opt out. #access = FALSE (rather than just leaving the