diff --git a/core/src/main/java/org/springframework/security/intercept/web/FilterInvocation.java b/core/src/main/java/org/springframework/security/intercept/web/FilterInvocation.java
index f2de9b39b8..2bd82943ec 100644
--- a/core/src/main/java/org/springframework/security/intercept/web/FilterInvocation.java
+++ b/core/src/main/java/org/springframework/security/intercept/web/FilterInvocation.java
@@ -78,7 +78,7 @@ public class FilterInvocation {
     }
 
     public HttpServletResponse getHttpResponse() {
-        return (HttpServletResponse) response;
+        return response;
     }
 
     /**