diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/CSVImportFileServlet.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/CSVImportFileServlet.java
index f0506c1..fa0a8cf 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/CSVImportFileServlet.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/CSVImportFileServlet.java
@@ -32,7 +32,7 @@ import org.slf4j.LoggerFactory;
  */
 public class CSVImportFileServlet extends HttpServlet {
 
-	protected static Logger logger = LoggerFactory
+	private static Logger logger = LoggerFactory
 			.getLogger(CSVImportFileServlet.class);
 
 	/**