diff --git a/process/Sql_lib/process.js b/process/Sql_lib/process.js
index e94147d3228b7a16f7cbc3554dabcdcf6e00134f..d2f616b53c0e5f39acbf4bf17523802821450438 100644
--- a/process/Sql_lib/process.js
+++ b/process/Sql_lib/process.js
@@ -1287,6 +1287,7 @@ SqlMaskingUtils.prototype.concat = function(fields, separatorCharacter, autoTrim
     {
         case db.DBTYPE_MYSQL4:
         case db.DBTYPE_MARIADB10:
+        case db.DBTYPE_POSTGRESQL8:
             retSql = " concat_ws( '" + separatorSql + "'";
             for (i = 0; i < fields.length; i++) {
                 retSql += ", " + fields[i];