diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
index 121cf0b..a2d972a 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKANPackage.java
@@ -300,6 +300,30 @@ public class CKANPackage extends CKAN implements Moderated {
 	}
 	
 	
+	protected ObjectNode checkAndFixAuthorAndMaintainer(ObjectNode objectNode) {
+		String authorName = ckanUser.getSurnameName();
+		
+		if(authorName==null || authorName.compareTo("")==0) {
+			authorName = ckanUser.getName();
+		}
+		String authorEmail = ckanUser.getEMail();
+		
+		objectNode = checkAuthor(objectNode, authorName, authorEmail);
+		
+		if(!objectNode.has(MAINTAINER_KEY)) {
+			if(!objectNode.has(MAINTAINER_EMAIL_KEY)) {
+				objectNode.put(MAINTAINER_KEY, authorName);
+				objectNode.put(MAINTAINER_EMAIL_KEY, authorEmail);
+			}else {
+				// We could try to retrieve Surname and Name of the maintainer if
+				// he/she is present as user in the VRE or in the catalogue.
+				objectNode.put(MAINTAINER_KEY, objectNode.get(MAINTAINER_EMAIL_KEY).toString());
+			}
+		}
+		
+		return objectNode;
+	}
+	
 	/**
 	 * @param json The json to check
 	 * @param allowPartialInfo used for patch method which provide only partial information (i.e. the info to patch) 
@@ -374,26 +398,7 @@ public class CKANPackage extends CKAN implements Moderated {
 			objectNode.remove(CAPACITY_KEY);
 		}
 		
-		String authorName = ckanUser.getSurnameName();
-		if(authorName==null || authorName.compareTo("")==0) {
-			authorName = ckanUser.getName();
-		}
-		String authorEmail = ckanUser.getEMail();
-		
-		
-		objectNode = checkAuthor(objectNode, authorName, authorEmail);
-		
-		
-		if(!objectNode.has(MAINTAINER_KEY)) {
-			if(!objectNode.has(MAINTAINER_EMAIL_KEY)) {
-				objectNode.put(MAINTAINER_KEY, authorName);
-				objectNode.put(MAINTAINER_EMAIL_KEY, authorEmail);
-			}else {
-				// We could try to retrieve Surname and Name of the maintainer if
-				// he/she is present as user in the VRE or in the catalogue.
-				objectNode.put(MAINTAINER_KEY, objectNode.get(MAINTAINER_EMAIL_KEY).toString());
-			}
-		}
+		objectNode = checkAndFixAuthorAndMaintainer(objectNode);
 		
 		getPublishingOrganization(objectNode);