diff --git a/plugins/json/src/main/java/org/apache/struts2/json/rpc/RPCResponse.java b/plugins/json/src/main/java/org/apache/struts2/json/rpc/RPCResponse.java
index fe72dce4d..3783fa5df 100644
--- a/plugins/json/src/main/java/org/apache/struts2/json/rpc/RPCResponse.java
+++ b/plugins/json/src/main/java/org/apache/struts2/json/rpc/RPCResponse.java
@@ -57,7 +57,7 @@ public class RPCResponse {
         return debug;
     }
 
-    public void setDebug(String debugInfo) {
+    public void setDebug(String debug) {
         this.debug = debug;
     }
 }