diff --git a/Duplicati/Library/Main/Operation/Backup/SpillCollectorProcess.cs b/Duplicati/Library/Main/Operation/Backup/SpillCollectorProcess.cs
index e5b2bf1f4..8f816ad8c 100644
--- a/Duplicati/Library/Main/Operation/Backup/SpillCollectorProcess.cs
+++ b/Duplicati/Library/Main/Operation/Backup/SpillCollectorProcess.cs
@@ -95,6 +95,7 @@ namespace Duplicati.Library.Main.Operation.Backup
                     return target;
                 }
 
+                var buffer = new byte[options.Blocksize];
 
                 while (lst.Count > 1)
                 {
@@ -110,8 +111,6 @@ namespace Duplicati.Library.Main.Operation.Backup
                     // Remove it from the list of active operations
                     lst.RemoveAt(0);
 
-                    var buffer = new byte[options.Blocksize];
-
                     using (var rd = new BlockVolumeReader(options.CompressionModule, source.BlockVolume.LocalFilename, options))
                     {
                         // Make sure we process the blocklisthashes, even if the blockvolume is empty