diff --git a/modules/flowable-engine/src/main/java/org/flowable/engine/repository/MergeMode.java b/modules/flowable-engine/src/main/java/org/flowable/engine/repository/MergeMode.java
index 2b2a95dd0f0..84e3cd01c9a 100644
--- a/modules/flowable-engine/src/main/java/org/flowable/engine/repository/MergeMode.java
+++ b/modules/flowable-engine/src/main/java/org/flowable/engine/repository/MergeMode.java
@@ -15,6 +15,7 @@
 
 /**
  * @author Valentin Zickner
+ * @author Yanming Zhou
  */
 public enum MergeMode {
 
@@ -23,7 +24,7 @@ public enum MergeMode {
     AS_OLD("as-old"),
     BY_DATE("by-date");
 
-    protected String name;
+    private final String name;
 
     MergeMode(String name) {
         this.name = name;