diff --git a/dubbo-config/dubbo-config-api/src/main/java/com/alibaba/dubbo/config/AbstractInterfaceConfig.java b/dubbo-config/dubbo-config-api/src/main/java/com/alibaba/dubbo/config/AbstractInterfaceConfig.java
index 8a7ce9b0487..fd3000e7067 100644
--- a/dubbo-config/dubbo-config-api/src/main/java/com/alibaba/dubbo/config/AbstractInterfaceConfig.java
+++ b/dubbo-config/dubbo-config-api/src/main/java/com/alibaba/dubbo/config/AbstractInterfaceConfig.java
@@ -410,11 +410,11 @@ public void setFilter(String filter) {
 
     @Parameter(key = Constants.INVOKER_LISTENER_KEY, append = true)
     public String getListener() {
-        checkMultiExtension(InvokerListener.class, "listener", listener);
         return listener;
     }
 
     public void setListener(String listener) {
+        checkMultiExtension(InvokerListener.class, "listener", listener);
         this.listener = listener;
     }