diff --git a/playground/nutech/issue2/timervaluewarehouse-schema.json b/playground/nutech/issue2/timervaluewarehouse-schema.json
index cbc3d71d..7b15064d 100644
--- a/playground/nutech/issue2/timervaluewarehouse-schema.json
+++ b/playground/nutech/issue2/timervaluewarehouse-schema.json
@@ -7,7 +7,7 @@
   ],
   "properties": {
     "timer_value_warehouse": {
-      "type": "string",
+      "type": "integer",
       "title": "Timer Value"
     },
     "time_format":{