diff --git a/categories_map.py b/categories_map.py
index 3d7d0c8cc5c9..620636e2fc18 100644
--- a/categories_map.py
+++ b/categories_map.py
@@ -508,6 +508,7 @@
    "DetectorDescription/Algorithm",
    "DetectorDescription/Base",
    "DetectorDescription/Core",
+   "DetectorDescription/DDCMS",
    "DetectorDescription/ExprAlgo",
    "DetectorDescription/OfflineDBLoader",
    "DetectorDescription/OnlineDBLoader",