diff --git a/app/lib/dal/sqliteDAL/MetaDAL.js b/app/lib/dal/sqliteDAL/MetaDAL.js
index 07e60848fa0a7eb28d940098f51a1403dace7dcd..585b75a9b82c8cbd5993455dcd4fe112cc0d4c1e 100644
--- a/app/lib/dal/sqliteDAL/MetaDAL.js
+++ b/app/lib/dal/sqliteDAL/MetaDAL.js
@@ -64,4 +64,6 @@ function MetaDAL(db) {
       return 0;
     }
   });
+
+  this.cleanData = null; // Never clean data of this table
 }