diff --git a/rust/worker/src/index/hnsw_provider.rs b/rust/worker/src/index/hnsw_provider.rs
index 3ece22fada8..418f3a71d41 100644
--- a/rust/worker/src/index/hnsw_provider.rs
+++ b/rust/worker/src/index/hnsw_provider.rs
@@ -109,7 +109,7 @@ impl HnswIndexProvider {
             }
         };
 
-        match HnswIndex::load(storage_path_str, &index_config, *source_id) {
+        match HnswIndex::load(storage_path_str, &index_config, new_id) {
             Ok(index) => {
                 let index = Arc::new(RwLock::new(index));
                 let mut cache = self.cache.write();