diff --git a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/metadata/MetadataUtils.java b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/metadata/MetadataUtils.java
index 91bbdfbec69..6434b24ae43 100644
--- a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/metadata/MetadataUtils.java
+++ b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/metadata/MetadataUtils.java
@@ -137,7 +137,7 @@ public static ProxyHolder referProxy(ServiceInstance instance) {
         ModuleModel internalModel = applicationModel.getInternalModule();
         ConsumerModel consumerModel = applicationModel.getInternalModule().registerInternalConsumer(MetadataService.class, url);
 
-        Protocol protocol = applicationModel.getExtensionLoader(Protocol.class).getAdaptiveExtension();
+        Protocol protocol = applicationModel.getExtensionLoader(Protocol.class).getExtension(url.getProtocol(), false);
 
         url = url.setServiceModel(consumerModel);