diff --git a/scenarios/s3longevity.js b/scenarios/s3longevity.js
index 7b21dc8..14cd62a 100644
--- a/scenarios/s3longevity.js
+++ b/scenarios/s3longevity.js
@@ -168,7 +168,7 @@ export function obj_write() {
 
     if (obj_registry) {
         obj_registry.addObject('', '', bucket, key, payload.hash());
-        log.withFields({bucket : obj.s3_bucket, key : obj.s3_key})
+        log.withFields({bucket : bucket, key : key})
             .info("write successfully");
     }
 }