diff --git a/definitions/mars/class.table b/definitions/mars/class.table
index bb740e63a..046db71d6 100644
--- a/definitions/mars/class.table
+++ b/definitions/mars/class.table
@@ -51,6 +51,7 @@
 50 ci CERISE project
 51 ai Operational AIFS
 52 ed EERIE project
+53 ng nextGEMS project
 99 te Test
 100 at Austria
 101 be Belgium