diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
index 470089c..58cd468 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
@@ -4336,7 +4336,7 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 					"Security exception, you haven't rights!");
 		} catch (Throwable e) {
 			e.printStackTrace();
-			throw new TDGWTServiceException("Error in JSON Export: "
+			throw new TDGWTServiceException("Error in CSV Export: "
 					+ e.getLocalizedMessage());
 		}
 
diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4CSVExport.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4CSVExport.java
index 080bc45..47a0d2e 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4CSVExport.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/opexecution/OpExecution4CSVExport.java
@@ -42,7 +42,7 @@ public class OpExecution4CSVExport extends OpExecutionBuilder {
 
 	@Override
 	public void buildOpEx() throws TDGWTServiceException {
-		logger.debug(csvExportSession.toString());	
+		logger.debug("CSV Export: "+csvExportSession);	
 		
 		SessionUtil.setCSVExportEnd(session, false);