diff --git a/server/src/main/java/org/opensearch/index/remote/RemoteStoreEnums.java b/server/src/main/java/org/opensearch/index/remote/RemoteStoreEnums.java
index c1ac74724e405..b7053013378fb 100644
--- a/server/src/main/java/org/opensearch/index/remote/RemoteStoreEnums.java
+++ b/server/src/main/java/org/opensearch/index/remote/RemoteStoreEnums.java
@@ -36,6 +36,8 @@
 @ExperimentalApi
 public class RemoteStoreEnums {
 
+    private static final char REMOTE_STORE_DEDICATED_PREFIX_START_CHAR = '.';
+
     /**
      * Categories of the data in Remote store.
      */
@@ -112,6 +114,7 @@ boolean requiresHashAlgorithm() {
             public BlobPath generatePath(PathInput pathInput, PathHashAlgorithm hashAlgorithm) {
                 assert Objects.nonNull(hashAlgorithm) : "hashAlgorithm is expected to be non-null";
                 return BlobPath.cleanPath()
+                    .add(String.valueOf(REMOTE_STORE_DEDICATED_PREFIX_START_CHAR))
                     .add(hashAlgorithm.hash(pathInput))
                     .add(pathInput.basePath())
                     .add(pathInput.indexUUID())