diff --git a/src/test/java/org/gcube/accounting/persistence/PersistenceCouchDBTest.java b/src/test/java/org/gcube/accounting/persistence/PersistenceCouchDBTest.java
index fbe4910..640f63a 100644
--- a/src/test/java/org/gcube/accounting/persistence/PersistenceCouchDBTest.java
+++ b/src/test/java/org/gcube/accounting/persistence/PersistenceCouchDBTest.java
@@ -3,6 +3,7 @@
  */
 package org.gcube.accounting.persistence;
 
+import java.io.File;
 import java.io.StringWriter;
 import java.util.Calendar;
 
@@ -132,4 +133,23 @@ public class PersistenceCouchDBTest {
 		Assert.assertNotEquals(first, second);
 		
 	}
+	
+	
+	static final String FALLBACK_FILENAME = "fallback.log";
+
+	//@Test
+	public void testOld(){
+		File newFile = new File(".", "_d4science.research-infrastructures.eu_gCubeApps_ScalableDataMining.fallback.log");
+		
+		String oldAccountingFileName = newFile.getName();
+		int lastIndexOf_ = oldAccountingFileName.lastIndexOf("_");
+		
+		oldAccountingFileName = oldAccountingFileName.substring(lastIndexOf_+1);
+		oldAccountingFileName = oldAccountingFileName.replace(
+				FALLBACK_FILENAME, "accountingFallback.log");
+		
+		File oldAccountingFile = new File(newFile.getParentFile(), oldAccountingFileName);
+		logger.debug("New Filename : {}\n Old Filename : {}", newFile, oldAccountingFile);
+		
+	}
 }