diff --git a/src/main/java/org/gcube/accounting/aggregator/plugin/AccountingAggregatorPlugin.java b/src/main/java/org/gcube/accounting/aggregator/plugin/AccountingAggregatorPlugin.java
index 0713e93..94c850b 100644
--- a/src/main/java/org/gcube/accounting/aggregator/plugin/AccountingAggregatorPlugin.java
+++ b/src/main/java/org/gcube/accounting/aggregator/plugin/AccountingAggregatorPlugin.java
@@ -108,7 +108,7 @@ public class AccountingAggregatorPlugin extends Plugin<AccountingAggregatorPlugi
 			inputStartTime=(Integer)inputs.get("startTime");
 
 		Boolean currentScope =false;
-		String scope="";
+		String scope=null;
 		if (inputs.containsKey("currentScope"))
 			currentScope=(Boolean)inputs.get("currentScope");
 		
@@ -155,6 +155,7 @@ public class AccountingAggregatorPlugin extends Plugin<AccountingAggregatorPlugi
 			throw e;
 		}
 
+		
 		Cluster cluster = CouchbaseCluster.create(ENV, url);
 	
 		//Define a type for aggregate
diff --git a/src/test/java/org/gcube/accounting/aggregator/plugin/Tests.java b/src/test/java/org/gcube/accounting/aggregator/plugin/Tests.java
index 2373ddc..1884597 100644
--- a/src/test/java/org/gcube/accounting/aggregator/plugin/Tests.java
+++ b/src/test/java/org/gcube/accounting/aggregator/plugin/Tests.java
@@ -35,7 +35,7 @@ public class Tests {
 		//specify bucket
 		inputs.put("bucket","accounting_service");
 		//current scope
-		inputs.put("currentScope",true);
+		inputs.put("currentScope",false);
 		//specify user for save to workspace
 		
 		//specify a recovery 0 default recovery and aggregate, 1 only aggregate, 2 only recovery