diff --git a/modules/mdb/back/model-config.json b/modules/mdb/back/model-config.json
index d5be8de87..1384aaf76 100644
--- a/modules/mdb/back/model-config.json
+++ b/modules/mdb/back/model-config.json
@@ -5,6 +5,9 @@
     "MdbVersion": {
         "dataSource": "vn"
     },
+    "MdbVersionTree": {
+        "dataSource": "vn"
+    },
     "AccessContainer": {
         "dataSource": "accessStorage"
     }