diff --git a/scripts/migrations/2026-11-06-add-repairs-phase-1-fields.ts b/scripts/migrations/2026-11-06-add-repairs-phase-1-fields.ts
index cb1d42a..a2a274d 100644
--- a/scripts/migrations/2026-11-06-add-repairs-phase-1-fields.ts
+++ b/scripts/migrations/2026-11-06-add-repairs-phase-1-fields.ts
@@ -169,10 +169,14 @@ async function main() {
     console.log("[repairs-fields] orders.repair already exists — skipping.");
   }
 
-  if (nextRepairsFields.length !== repairsFields.length) {
+  // Patch when the array DIFFERS, not only when it grew — a
+  // corrected field (e.g. clearing a length cap) keeps the same length.
+  const changed = (a: PbField[], b: PbField[]) =>
+    JSON.stringify(a) !== JSON.stringify(b);
+  if (changed(repairsFields, nextRepairsFields)) {
     await pb.collections.update(repairs.id, { fields: nextRepairsFields });
   }
-  if (nextOrdersFields.length !== ordersFields.length) {
+  if (changed(ordersFields, nextOrdersFields)) {
     await pb.collections.update(orders.id, { fields: nextOrdersFields });
   }