diff --git a/server/src/main/java/org/opensearch/snapshots/SnapshotsService.java b/server/src/main/java/org/opensearch/snapshots/SnapshotsService.java
index 232dbe946d2ae..b1fd37e372b2a 100644
--- a/server/src/main/java/org/opensearch/snapshots/SnapshotsService.java
+++ b/server/src/main/java/org/opensearch/snapshots/SnapshotsService.java
@@ -216,7 +216,7 @@ public class SnapshotsService extends AbstractLifecycleComponent implements Clus
         Setting.Property.Dynamic
     );
 
-    private static final String SNAPSHOT_PINNED_TIMESTAMP_DELIMITER = ":";
+    private static final String SNAPSHOT_PINNED_TIMESTAMP_DELIMITER = "";
     private volatile int maxConcurrentOperations;
 
     public SnapshotsService(
@@ -600,7 +600,7 @@ private void updateSnapshotPinnedTimestamp(
     ) {
         remoteStorePinnedTimestampService.pinTimestamp(
             timestampToPin,
-            snapshot.getRepository() + SNAPSHOT_PINNED_TIMESTAMP_DELIMITER + snapshot.getSnapshotId().getUUID(),
+            snapshot.getRepository() + snapshot.getSnapshotId().getUUID(),
             new ActionListener<Void>() {
                 @Override
                 public void onResponse(Void unused) {