diff --git a/definitions/mars/class.table b/definitions/mars/class.table
index 046db71d6..2aac3f5ff 100644
--- a/definitions/mars/class.table
+++ b/definitions/mars/class.table
@@ -52,6 +52,7 @@
 51 ai Operational AIFS
 52 ed EERIE project
 53 ng nextGEMS project
+54 lr WMO Lead Centre for Global Climate Re-Analyses
 99 te Test
 100 at Austria
 101 be Belgium