diff --git a/lib/stock.js b/lib/stock.js
index 8cd3e95..4a0fab2 100644
--- a/lib/stock.js
+++ b/lib/stock.js
@@ -8,8 +8,11 @@ module.exports = function (restClient) {
     }
     return false;
   }
-  module.check = (sku) => {
-    url += `check?sku=${sku}`;
+  module.check = (stock) => {
+    url += `check?sku=${stock.sku}}`;
+    if (stock.stockId) {
+      url += `&stockId=${stock.stockId}`;
+    }
     return restClient.get(url).then((data)=> {
       return getResponse(data);
     });