diff --git a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/RouterChain.java b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/RouterChain.java
index a690d73f1c9..5a32bbd139f 100644
--- a/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/RouterChain.java
+++ b/dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/RouterChain.java
@@ -79,7 +79,7 @@ public void addRouters(List<Router> routers) {
         List<Router> newRouters = new CopyOnWriteArrayList<>();
         newRouters.addAll(builtinRouters);
         newRouters.addAll(routers);
-        CollectionUtils.sort(routers);
+        CollectionUtils.sort(newRouters);
         this.routers = newRouters;
     }