diff --git a/resctl-bench/src/lambda.rs b/resctl-bench/src/lambda.rs
index 6d473a0..4fbc890 100644
--- a/resctl-bench/src/lambda.rs
+++ b/resctl-bench/src/lambda.rs
@@ -23,7 +23,7 @@ const RESULT_PATH: &'static str = "/tmp/result.json.gz";
 // For testing purpose.
 //const IOCOST_BUCKET: &'static str = "iocostbucket";
 //const IOCOST_BUCKET_REGION: &'static str = "eu-north-1";
-const IOCOST_BUCKET: &'static str = "iocost-submit-us-east-1";
+const IOCOST_BUCKET: &'static str = "iocost-submit";
 const IOCOST_BUCKET_REGION: &'static str = "us-east-1";
 
 pub fn init_lambda() {
@@ -123,7 +123,7 @@ impl LambdaHelper {
         let output = self
             .s3
             .get_object()
-            .bucket(IOCOST_BUCKET)
+            .bucket(format!("{}-{}", IOCOST_BUCKET, IOCOST_BUCKET_REGION))
             .key(object_name)
             .send()
             .await;