diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/csv/CSVFileUtil.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/csv/CSVFileUtil.java
index 60dbf00..3f1a1e4 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/csv/CSVFileUtil.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/shared/csv/CSVFileUtil.java
@@ -38,7 +38,7 @@ import org.slf4j.LoggerFactory;
  */
 public class CSVFileUtil {
 
-	private static final int MAXROWCHECK = 200000;
+	private static final int MAXROWCHECK = 500000;
 	protected static Logger logger = LoggerFactory.getLogger(CSVFileUtil.class);
 
 	public static ArrayList<String> getHeader(File csvFile,