diff --git a/server/src/main/java/com/hedera/block/server/verification/hasher/CommonUtils.java b/server/src/main/java/com/hedera/block/server/verification/hasher/CommonUtils.java
index b57ee41c..a5e7d1f5 100644
--- a/server/src/main/java/com/hedera/block/server/verification/hasher/CommonUtils.java
+++ b/server/src/main/java/com/hedera/block/server/verification/hasher/CommonUtils.java
@@ -42,7 +42,7 @@ private CommonUtils() {
     /**
      * The tag for the SHA-384 algorithm.
      */
-    private static String sha384HashTag = "SHA-384";
+    private static final String sha384HashTag = "SHA-384";
 
     /**
      * Returns the SHA-384 hash of the given bytes.