diff --git a/nexus/src/app/sagas/region_snapshot_replacement_start.rs b/nexus/src/app/sagas/region_snapshot_replacement_start.rs
index 3c6cc0e22b..d1829b286d 100644
--- a/nexus/src/app/sagas/region_snapshot_replacement_start.rs
+++ b/nexus/src/app/sagas/region_snapshot_replacement_start.rs
@@ -391,7 +391,7 @@ async fn rsrss_get_clone_source(
 
     let mut non_expunged_read_only_regions = osagactx
         .datastore()
-        .find_non_expunged_regions(&opctx, db_snapshot.volume_id)
+        .find_non_expunged_regions(&opctx, db_snapshot.volume_id())
         .await
         .map_err(ActionError::action_failed)?;