diff --git a/web/src/main/java/org/springframework/security/web/header/writers/ClearSiteDataHeaderWriter.java b/web/src/main/java/org/springframework/security/web/header/writers/ClearSiteDataHeaderWriter.java
index 231e5f6585d..d7584c2851d 100644
--- a/web/src/main/java/org/springframework/security/web/header/writers/ClearSiteDataHeaderWriter.java
+++ b/web/src/main/java/org/springframework/security/web/header/writers/ClearSiteDataHeaderWriter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,6 +75,7 @@ public void writeHeaders(HttpServletRequest request, HttpServletResponse respons
 			if (!response.containsHeader(CLEAR_SITE_DATA_HEADER)) {
 				response.setHeader(CLEAR_SITE_DATA_HEADER, this.headerValue);
 			}
+			return;
 		}
 		this.logger.debug(
 				LogMessage.format("Not injecting Clear-Site-Data header since it did not match the requestMatcher %s",