diff --git a/src/utils/helper.ts b/src/utils/helper.ts
index 6d040cbd..9597eb2b 100644
--- a/src/utils/helper.ts
+++ b/src/utils/helper.ts
@@ -1130,7 +1130,7 @@ export function chainEvents(props: any, schema: any) {
     ) {
       ret[key] = chainFunctions(schema[key], props[key]);
     } else {
-      ret[key] = props[key];
+      ret[key] = schema[key] ?? props[key];
     }
   });