diff --git a/web/src/main/java/org/springframework/security/web/authentication/AbstractAuthenticationTargetUrlRequestHandler.java b/web/src/main/java/org/springframework/security/web/authentication/AbstractAuthenticationTargetUrlRequestHandler.java
index 4994696a98..afe3d1bc89 100644
--- a/web/src/main/java/org/springframework/security/web/authentication/AbstractAuthenticationTargetUrlRequestHandler.java
+++ b/web/src/main/java/org/springframework/security/web/authentication/AbstractAuthenticationTargetUrlRequestHandler.java
@@ -64,7 +64,7 @@ public abstract class AbstractAuthenticationTargetUrlRequestHandler {
         redirectStrategy.sendRedirect(request, response, targetUrl);
     }
 
-    private String determineTargetUrl(HttpServletRequest request, HttpServletResponse response) {
+    protected String determineTargetUrl(HttpServletRequest request, HttpServletResponse response) {
         if (isAlwaysUseDefaultTargetUrl()) {
             return defaultTargetUrl;
         }