diff --git a/core/src/main/java/com/opensymphony/xwork2/ActionContext.java b/core/src/main/java/com/opensymphony/xwork2/ActionContext.java
index 1e6d1efbd..ac9026b6f 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ActionContext.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ActionContext.java
@@ -44,6 +44,9 @@ public class ActionContext extends org.apache.struts2.ActionContext {
     }
 
     public static ActionContext adapt(org.apache.struts2.ActionContext actualContext) {
+        if (actualContext instanceof ActionContext) {
+            return (ActionContext) actualContext;
+        }
         return actualContext != null ? new ActionContext(actualContext) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/ActionEventListener.java b/core/src/main/java/com/opensymphony/xwork2/ActionEventListener.java
index 5bd4f86d5..28d46e992 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ActionEventListener.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ActionEventListener.java
@@ -43,6 +43,9 @@ public interface ActionEventListener extends org.apache.struts2.ActionEventListe
     String handleException(Throwable t, ValueStack stack);
 
     static ActionEventListener adapt(org.apache.struts2.ActionEventListener actualListener) {
+        if (actualListener instanceof ActionEventListener) {
+            return (ActionEventListener) actualListener;
+        }
         return actualListener != null ? new LegacyAdapter(actualListener) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/ActionInvocation.java b/core/src/main/java/com/opensymphony/xwork2/ActionInvocation.java
index 76929a647..81e55d592 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ActionInvocation.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ActionInvocation.java
@@ -63,6 +63,9 @@ public interface ActionInvocation extends org.apache.struts2.ActionInvocation {
     void init(ActionProxy proxy);
 
     static ActionInvocation adapt(org.apache.struts2.ActionInvocation actualInvocation) {
+        if (actualInvocation instanceof ActionInvocation) {
+            return (ActionInvocation) actualInvocation;
+        }
         return actualInvocation != null ? new LegacyAdapter(actualInvocation) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/ActionProxy.java b/core/src/main/java/com/opensymphony/xwork2/ActionProxy.java
index 18a1e6a6e..c3905a1a0 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ActionProxy.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ActionProxy.java
@@ -27,6 +27,9 @@ public interface ActionProxy extends org.apache.struts2.ActionProxy {
     ActionInvocation getInvocation();
 
     static ActionProxy adapt(org.apache.struts2.ActionProxy actualProxy) {
+        if (actualProxy instanceof ActionProxy) {
+            return (ActionProxy) actualProxy;
+        }
         return actualProxy != null ? new LegacyAdapter(actualProxy) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/Result.java b/core/src/main/java/com/opensymphony/xwork2/Result.java
index 294ada4d7..36a93438a 100644
--- a/core/src/main/java/com/opensymphony/xwork2/Result.java
+++ b/core/src/main/java/com/opensymphony/xwork2/Result.java
@@ -34,6 +34,9 @@ public interface Result extends org.apache.struts2.Result {
     void execute(ActionInvocation invocation) throws Exception;
 
     static Result adapt(org.apache.struts2.Result actualResult) {
+        if (actualResult instanceof Result) {
+            return (Result) actualResult;
+        }
         return actualResult != null ? new LegacyAdapter(actualResult) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/interceptor/PreResultListener.java b/core/src/main/java/com/opensymphony/xwork2/interceptor/PreResultListener.java
index 469d3521b..25ba59a42 100644
--- a/core/src/main/java/com/opensymphony/xwork2/interceptor/PreResultListener.java
+++ b/core/src/main/java/com/opensymphony/xwork2/interceptor/PreResultListener.java
@@ -36,6 +36,9 @@ public interface PreResultListener extends org.apache.struts2.interceptor.PreRes
     void beforeResult(ActionInvocation invocation, String resultCode);
 
     static PreResultListener adapt(org.apache.struts2.interceptor.PreResultListener actualListener) {
+        if (actualListener instanceof PreResultListener) {
+            return (PreResultListener) actualListener;
+        }
         return actualListener != null ? new LegacyAdapter(actualListener) : null;
     }
 
diff --git a/core/src/main/java/com/opensymphony/xwork2/util/ValueStack.java b/core/src/main/java/com/opensymphony/xwork2/util/ValueStack.java
index 9e3e98b57..22f5bc428 100644
--- a/core/src/main/java/com/opensymphony/xwork2/util/ValueStack.java
+++ b/core/src/main/java/com/opensymphony/xwork2/util/ValueStack.java
@@ -32,6 +32,9 @@ public interface ValueStack extends org.apache.struts2.util.ValueStack {
     ActionContext getActionContext();
 
     static ValueStack adapt(org.apache.struts2.util.ValueStack actualStack) {
+        if (actualStack instanceof ValueStack) {
+            return (ValueStack) actualStack;
+        }
         return actualStack != null ? new LegacyAdapter(actualStack) : null;
     }