diff --git a/plugins/junit/src/main/java/org/apache/struts2/StrutsJUnit4TestCase.java b/plugins/junit/src/main/java/org/apache/struts2/StrutsJUnit4TestCase.java
index 634cc0a48..25fade262 100644
--- a/plugins/junit/src/main/java/org/apache/struts2/StrutsJUnit4TestCase.java
+++ b/plugins/junit/src/main/java/org/apache/struts2/StrutsJUnit4TestCase.java
@@ -131,6 +131,8 @@ public abstract class StrutsJUnit4TestCase<T> extends XWorkJUnit4TestCase {
         ServletActionContext.setRequest(request);
         ServletActionContext.setResponse(response);
 
+        ServletActionContext.getContext().put(ServletActionContext.ACTION_MAPPING, mapping);
+
         return proxy;
     }