diff --git a/src/model/item_master.ts b/src/model/item_master.ts
index 592d035..f76c3bb 100644
--- a/src/model/item_master.ts
+++ b/src/model/item_master.ts
@@ -19,7 +19,7 @@ export class ItemMasterModel {
         .leftJoinAndSelect("item_master.type_detail", "type_detail")
         .leftJoinAndSelect("item_master.category", "category")
         .leftJoinAndSelect("item_master.item_class", "item_class")
-        .leftJoinAndSelect("item_master.class_detail", "class_detail")
+        .leftJoinAndSelect("item_master.item_class_detail", "item_class_detail")
         .leftJoinAndSelect("item_master.status", "status")
         .leftJoinAndSelect("item_master.factory", "factory")
         .leftJoinAndSelect("item_master.unit", "unit")