diff --git a/src/components/management/StuffDetail.jsx b/src/components/management/StuffDetail.jsx
index 8ae6920b..77bbafcc 100644
--- a/src/components/management/StuffDetail.jsx
+++ b/src/components/management/StuffDetail.jsx
@@ -1745,7 +1745,7 @@ export default function StuffDetail() {
                             onChange={onSelectionChange2}
                             getOptionLabel={(x) => x.saleStoreName}
                             getOptionValue={(x) => x.saleStoreId}
-                            isDisabled={otherSaleStoreList.length > 1 ? false : true}
+                            isDisabled={otherSaleStoreList != null && otherSaleStoreList.length > 0 ? false : true}
                             isClearable={true}
                             value={otherSaleStoreList.filter(function (option) {
                               return option.saleStoreId === otherSelOptions