diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index a688ac5..f9c942d 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -162,7 +162,7 @@
         , "historical_md": {
             "db": {
                 # "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
-                "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
+                "cred_key": "TSDB-CLD29-OHLCV-DIRECT"
             }
         }
         , "use_md_aggregate_cache": true