diff --git a/src/main/java/it/finanze/sanita/fse2/ms/gtw/dispatcher/service/impl/ConfigSRV.java b/src/main/java/it/finanze/sanita/fse2/ms/gtw/dispatcher/service/impl/ConfigSRV.java
index f957c0f0..a258a6b1 100644
--- a/src/main/java/it/finanze/sanita/fse2/ms/gtw/dispatcher/service/impl/ConfigSRV.java
+++ b/src/main/java/it/finanze/sanita/fse2/ms/gtw/dispatcher/service/impl/ConfigSRV.java
@@ -157,7 +157,7 @@ private void init() {
         integrity();
     }
 
-    private static class Locks {
+    private static final class Locks {
         public static final Object REMOVE_EDS_ENABLE = new Object();
         public static final Object CONTROL_LOG_ENABLED = new Object();
         public static final Object AUDIT_ENABLED = new Object();