diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index b3a027d..ddec2ce 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -146,7 +146,10 @@
             }
         }
         , "historical_md": {
-            "db"
+            "db": {
+                "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
+            }
+            , 
         }
     }
     , "quant": {