diff --git a/s3_scrubber/src/lib.rs b/s3_scrubber/src/lib.rs
index 3572bc95f7..40b351fd18 100644
--- a/s3_scrubber/src/lib.rs
+++ b/s3_scrubber/src/lib.rs
@@ -57,8 +57,8 @@ pub struct S3Target {
 /// TenantShardTimelineIds in on place.
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, Hash, PartialEq, Eq)]
 pub struct TenantShardTimelineId {
-    tenant_shard_id: TenantShardId,
-    timeline_id: TimelineId,
+    pub tenant_shard_id: TenantShardId,
+    pub timeline_id: TimelineId,
 }
 
 impl TenantShardTimelineId {