diff --git a/playground/nutech/issue/STCl-schema.json b/playground/nutech/issue/STCl-schema.json
index c4531b39..74a41982 100644
--- a/playground/nutech/issue/STCl-schema.json
+++ b/playground/nutech/issue/STCl-schema.json
@@ -32,7 +32,7 @@
       "title": "Issue Voucher Date",
       "format": "date"
     },
-    "commodity": {
+    "from": {
       "type": "integer",
       "title": "Commodity"
     },