diff --git a/playground/nutech/receipt/timerwarehouse-schema.json b/playground/nutech/receipt/timerwarehouse-schema.json
index fdddadb3..a0decade 100644
--- a/playground/nutech/receipt/timerwarehouse-schema.json
+++ b/playground/nutech/receipt/timerwarehouse-schema.json
@@ -2,7 +2,7 @@
   "title": "Text Field",
   "type": "object",
   "required": [
-    "timer_value_wh"
+    "timer_value_warehouse"
   ],
   "properties": {
     "timer_value_tfc": {