diff --git a/moco-core/src/main/java/com/github/dreamhead/moco/handler/AbstractResponseHandler.java b/moco-core/src/main/java/com/github/dreamhead/moco/handler/AbstractResponseHandler.java
index <HASH>..<HASH> 100644
--- a/moco-core/src/main/java/com/github/dreamhead/moco/handler/AbstractResponseHandler.java
+++ b/moco-core/src/main/java/com/github/dreamhead/moco/handler/AbstractResponseHandler.java
@@ -4,7 +4,7 @@ import com.github.dreamhead.moco.MocoConfig;
 import com.github.dreamhead.moco.ResponseHandler;
 
 public abstract class AbstractResponseHandler implements ResponseHandler {
-    protected ResponseHandler doApply(final MocoConfig config) {
+    protected final ResponseHandler doApply(final MocoConfig config) {
         return this;
     }
added missing final to abstract response handler