diff --git a/Tools/RemoteSynchronization/Program.cs b/Tools/RemoteSynchronization/Program.cs
index 390130f91..3a0f216ff 100644
--- a/Tools/RemoteSynchronization/Program.cs
+++ b/Tools/RemoteSynchronization/Program.cs
@@ -635,7 +635,7 @@ destination will be verified before being overwritten (if they seemingly match).
         private static async Task<long> RenameAsync(IBackend b, IEnumerable<IFileEntry> files, Config config)
         {
             long successful_renames = 0;
-            string prefix = $"{System.DateTime.Now:yyyyMMddHHmmss}.old";
+            string prefix = $"{System.DateTime.UtcNow:yyyyMMddHHmmss}.old";
             using var downloaded = new MemoryStream();
             long i = 0, n = files.Count();