diff --git a/apps/backend/src/repositories/worker-platform/work-order-gift-repo.ts b/apps/backend/src/repositories/worker-platform/work-order-gift-repo.ts
index b72cd0ea..915e9576 100644
--- a/apps/backend/src/repositories/worker-platform/work-order-gift-repo.ts
+++ b/apps/backend/src/repositories/worker-platform/work-order-gift-repo.ts
@@ -99,7 +99,7 @@ export async function startWorkOrderGiftCountdownWithClient(
   if (GIFT_COUNTDOWN_BLOCKED_STATUSES.has(workOrder.status)) return null
 
   let cooldownHours = normalizeWorkOrderGiftCooldownHours(workOrder.gift_cooldown_hours)
-  let cooldownMinutes = normalizeWorkOrderGiftCooldownMinutes(workOrder.gift_cooldown_minutes)
+  const cooldownMinutes = normalizeWorkOrderGiftCooldownMinutes(workOrder.gift_cooldown_minutes)
   if (input.forceFriendGift && cooldownHours === 0 && cooldownMinutes === 0) {
     cooldownHours = DEFAULT_GIFT_COOLDOWN_HOURS
   }