diff --git a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
index 35d753fdeeef88d813b4e17bd005127e76d88895..4865b4b05da9d2b9106e504e0d8bd947904bbee2 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
@@ -47,6 +47,7 @@ public class TestSLUBStoragePlugin {
     HashMap<String, String> map = new HashMap<String,String> ();
     map.put("DIR_ROOT", testroot.toAbsolutePath().toString());
     map.put("BLOCK_SIZE", "8192");
+    map.put("BUFF_SIZE", "8192");
     map.put("FILES_HANDLING_METHOD", "move");
     mock.setParameters( map );
     mock.init(map);