diff --git a/plugins/velocity/src/main/java/org/apache/struts2/views/velocity/VelocityManager.java b/plugins/velocity/src/main/java/org/apache/struts2/views/velocity/VelocityManager.java
index b653380..6cbbaed 100644
--- a/plugins/velocity/src/main/java/org/apache/struts2/views/velocity/VelocityManager.java
+++ b/plugins/velocity/src/main/java/org/apache/struts2/views/velocity/VelocityManager.java
@@ -524,7 +524,7 @@
         sb.append(clazz.getName()).append(",");
     }
 
-    private String replace(String string, String oldString, String newString) {
+    private static final String replace(String string, String oldString, String newString) {
         if (string == null) {
             return null;
         }