diff --git a/Duplicati/UnitTest/Issue6200.cs b/Duplicati/UnitTest/Issue6200.cs
index af2eb18c5..8b40be56e 100644
--- a/Duplicati/UnitTest/Issue6200.cs
+++ b/Duplicati/UnitTest/Issue6200.cs
@@ -34,7 +34,7 @@ namespace Duplicati.UnitTest
         public void VerifyMultiVolumeCompactWorks()
         {
             const int FILESIZE = 500 * 1024;
-            const int FILECOUNT = 20;
+            const int FILECOUNT = 40;
 
             var testopts = TestOptions.Expand(new
             {