diff --git a/jvector-base/src/main/java/io/github/jbellis/jvector/graph/GraphIndexBuilder.java b/jvector-base/src/main/java/io/github/jbellis/jvector/graph/GraphIndexBuilder.java
index 06415b1c4..040419d84 100644
--- a/jvector-base/src/main/java/io/github/jbellis/jvector/graph/GraphIndexBuilder.java
+++ b/jvector-base/src/main/java/io/github/jbellis/jvector/graph/GraphIndexBuilder.java
@@ -243,7 +243,7 @@ private void reconnectOrphanedNodes() {
             // reconnect unreachable nodes
             var nReconnected = new AtomicInteger();
             var connectionTargets = ConcurrentHashMap.<Integer>newKeySet();
-            parallelExecutor.submit(() -> IntStream.range(0, graph.getIdUpperBound()).parallel().forEach(node -> {
+            simdExecutor.submit(() -> IntStream.range(0, graph.getIdUpperBound()).parallel().forEach(node -> {
                 if (connectedNodes.get(node) || !graph.containsNode(node)) {
                     return;
                 }