diff --git a/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java b/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
index df57c40..e0e3d8a 100644
--- a/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
+++ b/src/main/java/org/gcube/accounting/persistence/AccountingPersistenceFactory.java
@@ -99,7 +99,7 @@ public abstract class AccountingPersistenceFactory {
 						persistence = foundPersistence;
 						break;
 					} catch (Exception e) {
-						logger.error(String.format("%s not initialized correctly. It will not be used. Trying the next one if any.", foundPersistence.getClass().getSimpleName()), e.getCause());
+						logger.error(String.format("%s not initialized correctly. It will not be used. Trying the next one if any.", foundPersistence.getClass().getSimpleName()), e);
 					}
 				}
 				if(persistence==null){