diff --git a/src/REST/Actions/ManagesFulfillments.php b/src/REST/Actions/ManagesFulfillments.php
index 83cecb7..42c204b 100644
--- a/src/REST/Actions/ManagesFulfillments.php
+++ b/src/REST/Actions/ManagesFulfillments.php
@@ -280,12 +280,11 @@ public function rescheduleFulfillmentOrder($fulfillmentOrderId, $data): ApiResou
 
     public function setFulfillmentOrdersDeadline(array $fulfillmentOrderIds, $fulfillmentDeadline): bool
     {
-        $response = $this->post("fulfillment_orders/set_fulfillment_orders_deadline.json", [
+        $response = $this->post('fulfillment_orders/set_fulfillment_orders_deadline.json', [
             'fulfillment_order_ids' => $fulfillmentOrderIds,
             'fulfillment_deadline' => $fulfillmentDeadline,
         ]);
 
         return true;
     }
-
 }