diff --git a/server/src/main/java/org/opensearch/cluster/routing/RecoverySource.java b/server/src/main/java/org/opensearch/cluster/routing/RecoverySource.java
index ae96ea6b73cca..bc5c8fa230894 100644
--- a/server/src/main/java/org/opensearch/cluster/routing/RecoverySource.java
+++ b/server/src/main/java/org/opensearch/cluster/routing/RecoverySource.java
@@ -415,10 +415,10 @@ public void addAdditionalFields(XContentBuilder builder, ToXContent.Params param
                 .field("version", version.toString())
                 .field("index", index.getName())
                 .field("restoreUUID", restoreUUID)
-                .field("isSearchableSnapshot", isSearchableSnapshot)
-                .field("remoteStoreIndexShallowCopy", remoteStoreIndexShallowCopy)
-                .field("sourceRemoteStoreRepository", sourceRemoteStoreRepository)
-                .field("sourceRemoteTranslogRepository", sourceRemoteTranslogRepository);
+                .field("is_searchable_snapshot", isSearchableSnapshot)
+                .field("remote_store_index_shallow_copy", remoteStoreIndexShallowCopy)
+                .field("source_remote_store_repository", sourceRemoteStoreRepository)
+                .field("source_remote_translog_repository", sourceRemoteTranslogRepository);
         }
 
         @Override