diff --git a/Duplicati/Library/Main/Options.cs b/Duplicati/Library/Main/Options.cs
index 99ca8b47b..bd9be29c7 100644
--- a/Duplicati/Library/Main/Options.cs
+++ b/Duplicati/Library/Main/Options.cs
@@ -391,7 +391,7 @@ namespace Duplicati.Library.Main
         /// </summary>
         public IList<ICommandLineArgument> SupportedCommands =>
         [
-            new CommandLineArgument("dblock-size", CommandLineArgument.ArgumentType.Size, Strings.Options.DblocksizeShort, Strings.Options.DblocksizeLong, DEFAULT_VOLUME_SIZE),
+            new CommandLineArgument("dblock-size", CommandLineArgument.ArgumentType.Size, Strings.Options.DblocksizeShort, Strings.Options.DblocksizeLong, DEFAULT_VOLUME_SIZE, ["remote-volume-size"]),
             new CommandLineArgument("auto-cleanup", CommandLineArgument.ArgumentType.Boolean, Strings.Options.AutocleanupShort, Strings.Options.AutocleanupLong, "false"),
             new CommandLineArgument("unittest-mode", CommandLineArgument.ArgumentType.Boolean, Strings.Options.UnittestmodeShort, Strings.Options.UnittestmodeLong, "false"),