diff --git a/web/modules/custom/figli_compta_ledger/src/Controller/LedgerActionsController.php b/web/modules/custom/figli_compta_ledger/src/Controller/LedgerActionsController.php
index 52ead26..5e3b8d7 100644
--- a/web/modules/custom/figli_compta_ledger/src/Controller/LedgerActionsController.php
+++ b/web/modules/custom/figli_compta_ledger/src/Controller/LedgerActionsController.php
@@ -66,12 +66,26 @@ class LedgerActionsController extends ControllerBase {
       $node->set('field_entree_liee', NULL);
     }
 
+    // Only field_type_ligne (and possibly field_entree_liee) changes here
+    // -- montant_ht and field_repartition are untouched, so this can never
+    // *introduce* a répartition mismatch, only leave a pre-existing one
+    // (from historical data, never corrected -- see figli_compta_ledger's
+    // module docblock) exactly as it was. The présave check exists to
+    // catch new inconsistent entries, not to block relabeling the type of
+    // an already-migrated line, so skip it for this save only. try/finally
+    // guarantees the global flag clears even if save() throws for an
+    // unrelated reason -- leaving it on would silently skip validation on
+    // every other save on the site.
+    \Drupal::state()->set('figli_compta_ledger.skip_validation', TRUE);
     try {
       $node->save();
     }
     catch (EntityStorageException $e) {
       return new JsonResponse(['error' => $e->getMessage()], 422);
     }
+    finally {
+      \Drupal::state()->delete('figli_compta_ledger.skip_validation');
+    }
 
     return new JsonResponse([
       'success' => TRUE,